60 results about "Rock fragment" patented technology

The utility model belongs to the technical field of geological exploration and drilling, and particularly relates to drill rod cleaning equipment for a geological drilling device, which comprises a mounting bottom plate and a cleaning component arranged on the outer side of the end part of the mounting bottom plate, the cleaning assembly comprises a mounting column, a connecting plate and a mounting cover, the mounting column is fixedly connected to the outer side of the end of the mounting bottom plate, through the design of relative rotation of the cleaning assembly, cleaning liquid sprayed out of the cleaning spray head and cleaning bristles can more uniformly cover the surface of the drill rod, impurities such as soil and rock debris on the drill rod are effectively removed, and the cleaning efficiency is improved. The cleaning liquid sprayed by the cleaning spray head can soften and disperse stubborn stains, the cleaning bristles provide physical cleaning power, the cleaning efficiency is greatly improved through combination of the cleaning liquid and the cleaning bristles, and by adjusting the clamping head, the equipment can adapt to drill rods of different sizes, and it is ensured that the drill rods are stable and immobile in the cleaning process.

The invention relates to the field of tunnel blasting quality monitoring, and discloses an SAM model-based tunnel blasting gravel morphology automatic identification and analysis system and method, and the system comprises an image collection unit, an intelligent triggering unit, an auxiliary illumination unit and a central processing and control unit which are installed at the top of a tunnel. The method comprises the steps of detecting a transport vehicle in real time through a laser distance sensor serving as an intelligent triggering unit, and judging whether the vehicle is in a full-load broken stone state or not according to a distance threshold value; after confirmation, the camera and the light source are automatically triggered to complete image acquisition; the central processing and control unit calls a pre-trained SAM visual model to carry out panoramic instance segmentation on the collected images, an effective broken stone mask is extracted through a multi-stage post-processing algorithm, the equivalent physical diameter of each broken stone is calculated, and finally statistical analysis is carried out and a report is generated. According to the method, unattended operation and intelligentization of blasting rock particle size analysis are achieved, a model does not need to be trained for specific working conditions, and the analysis result is objective and accurate.

The systems and methods described in this specification relate to installing a wellbore completion setup of a wellbore based on a probability within a reservoir. The systems and methods measure one or more properties of the formation and receive data representing the one or more measured properties. The systems and methods use the one or more properties as input conditions to a finite element model of the wellbore. The systems and methods solve the finite element model to determine stresses of the formation surrounding the wellbore. The systems and methods determine a size of one or more rock fragments based on whether the determined stresses from the finite element model are greater than a threshold stress of a failure criterion. The systems and methods determine the probability, select the wellbore completion setup of the wellbore based on the bridging probability, and install the selected wellbore completion setup in the wellbore.

The invention discloses a roller bit with an anti-blocking structure, and relates to the technical field of roller bits. When the cones clamp the rock during rotation and drive the rock to enter the space between the cones, rotation of the cones is blocked and cannot rotate, and crushing of the rock is affected, according to the roller bit with the anti-clamping structure, through cooperation of the cone tooth blocks and the cushion blocks, in the rotation process, the depth of the rock penetrating into the space between the cone tooth blocks is limited through the cushion blocks, and therefore the rock is prevented from being damaged. Meanwhile, when the cushion blocks make contact with the rock, the cone tooth blocks are assisted to crush the rock, the drilling crushing effect is guaranteed, meanwhile, the cushion blocks are matched with the cone tooth blocks in an outer diameter change mode, and the situation that in the crushing process, the rock fragments are clamped between the cone tooth blocks, rotate along with cone cones in the rotating process and are clamped into a drill bit, rotation between cone mechanisms is blocked, and the service life of the cone mechanisms is prolonged is avoided. And the rock crushing work cannot be effectively carried out in the drilling process.

The utility model relates to the technical field of geological exploration, and discloses a drilling device for geological exploration, which comprises a working frame, the four connecting plates are fixedly connected to the four side surfaces of the working frame; the four fixing nails penetrate through the top faces of the four connecting plates in a sliding mode and extend to the positions below the four connecting plates, and a protection assembly is arranged on the inner side of the working frame. A drilling assembly is arranged in the protection assembly, the protection assembly comprises a protection frame, a sliding groove is formed in the top face of the working frame in a penetrating mode, and the bottom end face of the protection frame slidably penetrates through the top face of the working frame and extends into the sliding groove. Through the protection assembly, a first electric push rod is used for driving a supporting plate to ascend and descend, so that a protection frame slides in a sliding groove, the protection frame and a working frame block splashing substances such as broken stones drilled by a drill rod, the situation that surrounding workers are injured due to splashing of chippings is avoided, and potential safety hazards are reduced; and the safety of the device during drilling in geological exploration is improved.

A monitoring system for a working machine includes a measurement data acquisition unit configured to acquire measurement data of a ground surface on which a working machine is traveling; a state discrimination unit configured to distinguish a working state of the working machine; and a detection control unit configured to initiate a first process with respect to a rock fragment on the ground when the working state is distinguished as the first state, and to initiate a second process, different from the first process, when the working state is distinguished as the second state.

The utility model relates to a petroleum underground geological survey device which comprises a supporting seat, a mounting frame is fixedly mounted at the top of the supporting seat, an air cylinder is fixedly mounted in the center of the top of the mounting frame, a first mounting shell is fixedly mounted at the bottom of a piston rod of the air cylinder, and a motor is fixedly mounted in the first mounting shell. According to the petroleum underground geological exploration device, the cleaning assembly is arranged, a first electric telescopic rod is started, the free end of the first electric telescopic rod extends to drive a cleaning brush to make contact with the outer surface of a drill bit, then the drill bit is driven to rotate under cooperation of a motor, and slurry and rock debris adhering to the outer surface of the drill bit are preliminarily cleaned through the cleaning brush; and then a high-pressure spray head is connected with an external water conveying pipe, then under the cooperation of a second electric telescopic rod, a toothed plate, a rotating shaft, a half gear and a connecting arm, angle adjustment is conducted on the spraying direction of the high-pressure spray head, and more comprehensive cleaning of the drill bit is achieved.

This invention relates to the field of coal mining technology, and more particularly to a personal protective device (PPE) for underground operations, comprising a drive base, a support frame, a lifting platform, a first protective component, and a second protective component. When in the protective state, the first and second protective components are in contact; when in the working state, they are separated. The advantages are that the cooperation between the drive base and the support frame allows the support frame to move along the length of the drive base; the lifting platform can lift workers to the working position on the tunnel roof, avoiding physical fatigue caused by prolonged overhead work. The first and second protective components can switch between the protective and working states: in the protective state, they are in contact to form a top protective structure, effectively shielding against falling rocks or broken rock fragments from the tunnel roof; in the working state, they are separated to create operating space, facilitating normal roof work for workers.

This invention provides a PDC single-tooth rock-breaking experimental device and a method for analyzing the rock-breaking mechanism. The experimental device includes a rock-breaking device body, a PDC tooth cutting depth adjustment mechanism, a cutting speed adjustment mechanism, and a cutting force measurement mechanism. The cutting speed adjustment mechanism can adjust the cutting speed of the rock sample; the rock-breaking device body is used to fix and install the cutting depth adjustment mechanism; the cutting depth adjustment mechanism can clamp the PDC tooth and precisely control its inclination angle and cutting depth; the cutting force measurement mechanism can monitor the cutting force on the rock sample. The method includes the following steps: setting parameters such as cutting depth, cutting speed, and inclination angle; monitoring the cutting force and recording the dynamic rock crushing process; sieving and collecting rock fragments, determining the mass fraction of different groups of rock fragments, and preliminarily determining the ductile-brittle crushing mode of the rock based on the distribution pattern of the rock fragments. This invention has the advantages of precisely controlling the cutting depth, PDC tooth inclination angle, and cutting speed.

The invention belongs to the technical field of mine geological exploration, and relates to a mine geological rock crushing and sampling device which comprises a mounting pipe, a mounting plate is slidably connected to the inner side of the mounting pipe, a crushing cone is arranged on the end face of the mounting plate, a screw hole is formed in the crushing cone, a screw is in threaded connection with the interior of the screw hole, and the other end of the screw is fixedly connected with the mounting plate. An anti-splashing assembly matched with the crushing cone is arranged on the mounting pipe, a pop-up assembly matched with the mounting plate is arranged in the mounting pipe, a locking mechanism matched with the pop-up assembly is arranged in the pop-up assembly, and a grip is fixedly connected to the outer side of the mounting pipe; the anti-splashing assembly is used for preventing rocks from splashing and collecting rock particles, and the anti-splashing assembly further comprises a crushing mechanism. A crushing point is covered with the collecting shell, so that crushed rocks cannot be splashed outwards, and the problem that the splashed rock fragments are extremely prone to causing personal injury to operators can be effectively solved.

Aspects of the present disclosure provide systems and methods for characterization of cuttings and cavings in drilling operations. A method for assessing wellbore conditions includes collecting a sample comprising rock fragments and mud from a drilling fluid, determining a rock fragment size distribution, determining a rock fragment shape distribution, determining a raw volume of the rock fragments, determining a volume correction factor using the rock fragment size distribution and the rock fragment shape distribution, determining an adjusted volume of the rock fragments from the raw volume using the volume correction factor, and assessing a wellbore condition based on the adjusted volume of the rock fragments and / or the rock fragment shape distribution.

The invention discloses a high-pressure water jet drilling method and nozzle based on authigenic abrasives, and relates to the field of geological drilling equipment.The nozzle of a double-layer structure comprises a nozzle inner sleeve and a nozzle outer sleeve which are coaxially arranged together in a sleeved mode, at least one sand suction hole is formed in the side wall of the nozzle outer sleeve, and the front end of the nozzle inner sleeve is located in the nozzle outer sleeve; a confluence area is formed at the outlet of the nozzle jacket; the sand suction holes are communicated with the confluence area to generate a siphonic effect, external rock debris is sucked into the confluence area and mixed with a high-speed water column, and then the rock debris is accelerated to form high-speed abrasive water jet to impact the rock surface. Abrasive water jet is formed by self-generated rock debris of the drill bit, mechanical, hydraulic and abrasive triple rock breaking is achieved by combining rotation of the drill teeth, and the drilling speed and the rock breaking efficiency are greatly improved; the double-layer structure nozzle modular design is adopted, the structure is compact, assembling and maintaining are rapid and convenient, ground complex abrasive adding equipment is not needed, local materials are used, and zero-cost abrasive supply is achieved.

The invention discloses coal seam CO2 phase change perforation fracturing anti-reflection gas extraction equipment and method, and relates to the technical field of coal mine gas prevention and control. The device comprises a device body, a coal clearing mechanism is arranged at the top of the device body and used for clearing and scraping coal rock fragments on the inner wall of the hole, and meanwhile a collecting mechanism is arranged below the coal clearing mechanism and used for collecting the cleared coal rock fragments. The coal cleaning mechanism comprises a movable pipe rotationally mounted in the equipment body; through the coal cleaning mechanism, a threaded rod can be driven to drive a movable ring to move, so that a rotating rod, a connecting pipe and a conical rod enter a hole, then a movable pipe is driven to rotate, the rotating rod, the connecting pipe and a cleaning scraper are driven to rotate through a limiting groove and a limiting plate, coal rock fragments on the inner wall of the hole are scraped, and the conical rod can push the coal rock fragments in the hole during resetting; and the coal rock fragments on the inner wall of the hole are effectively cleaned, abrasion or damage caused by contact of the air bag and the coal rock fragments in subsequent operation is avoided, the blasting effect of the subsequent fracturing pipe is guaranteed, and therefore gas is better extracted.

The application relates to the technical field of civil engineering materials, and discloses a filler for red-layer soft rock roadbed and a preparation method thereof. The method comprises raw material pretreatment, step-by-step composite mixing, stabilization treatment and vibration compaction forming. Through accurate progressive control of the step-by-step composite mixing process, mechanical interlocking fusion of coarse aggregate strengthening components and red-layer soft rock fragments is first realized, then an active curing agent is introduced to activate deep reaction, and finally molecular-level coating of a hydrophobic modification material is realized, so that the problem of weak interface bonding caused by uneven mixing of components in traditional processes is solved, a continuous three-dimensional network structure is formed in the filler, and the overall deformation coordination and structural compactness are improved; through dynamic balance of temperature field distribution, the risk of molecular chain rupture caused by heat accumulation in local areas is inhibited, so that the filler still maintains stable hydrophobic properties and volume integrity under an extreme dry-wet cycle environment.

This utility model relates to the technical field of soil drilling construction, and in particular to a borehole wall protection device for collapsed and fractured rock formations in geological drilling. It includes a jetting cylinder and a rubber plug. The jetting cylinder is fixed at one end in the axial direction, and a reverse drill bit is provided at the other end. Multiple grouting holes are opened on the jetting cylinder. After the grouting device is connected to the drill rod, the rubber plug is in a compressed and expanded state. This utility model can perform wall protection in deeper boreholes, thereby reducing problems such as rock fragments falling out and causing drill bit jamming, and improving the borehole success rate.

This invention relates to the technical field of drilling equipment and its application, specifically a full-well mechanical energy specificity drilling device and its application method based on drilling data. The device includes a cylinder, a drill bit, and a fixed base. A base is mounted on the upper part of the drill bit, and the fixed base is parallel to the outer side of the base. The upper part of the fixed base is fixedly connected to the cylinder via a connecting rod. An inner seat is mounted on the outer side of the base. Multiple push rods are spaced circumferentially around the outside of the fixed base, and vertical grooves corresponding to the push rods are spaced circumferentially around the inner seat. The push rods pass through the vertical grooves from top to bottom. This invention, by setting a fixed base on the drill bit and designing push rods, a top head, a linkage mechanism, and a long rod, allows the long rod to be positioned within the gaps between the breaking teeth, thereby pushing away stuck rock fragments, preventing the gradual accumulation of rock fragments, ensuring that the drilling efficiency of the drill bit does not decrease, and ensuring normal drilling progress.

The present invention discloses a rock fragment lithology analysis method based on a multi-level fusion image algorithm and X-ray diffraction. The method includes: S1: acquiring rock fragment image data at different resolutions; S2: generating a multi-level rock fragment image feature matrix; S3: preliminarily generating a lithology classification result; S4: generating supplementary data for X-ray diffraction analysis; S5: fusing the supplementary lithology analysis data with the preliminarily generated lithology classification result to ultimately generate a comprehensive lithology classification result; S6: inputting the comprehensive lithology classification result into a dynamic adaptive analysis system, which adaptively adjusts the analysis strategy based on the complexity of the rock fragment sample and optimizes the parameters of the dual-path convolutional neural network model and multimodal analysis algorithm through real-time feedback and learning mechanisms; S7: outputting an analysis report containing mineral distribution, crystal structure, and comprehensive lithology classification results. The present invention improves the classification accuracy of different types of rock fragment samples by approximately 15%.

The present invention discloses a roller drill bit with an anti-stuck structure, and the present invention relates to the technical field of roller drill bits. When the rollers are rotating and jamming rocks, and driving the rocks into between the rollers, the rotation of the rollers will be blocked and unable to rotate, affecting the crushing of the rocks. The roller drill bit with an anti-stuck structure, through the cooperation of the cone block and the pad, limits the depth of the rock penetrating between the cone blocks through the pad during the rotation process. At the same time, when the pad contacts the rock, it assists the cone block to crush the rock. While ensuring the drilling and crushing effect, the pad cooperates with the outer diameter change of the cone block to avoid the rock fragments being stuck between the cone blocks during the crushing process, rotating with the cone during the rotation process, and being stuck inside the drill bit, so that the rotation between the cone mechanisms is blocked and the rock crushing work cannot be effectively performed during the drilling process.

A method includes taking at least one image of a plurality of returned rock fragments from a wellbore using a camera, analyzing the at least one image with an image analysis program to detect a caving in the plurality of returned rock fragments, constructing a model of the caving, and incorporating the model of the caving into a finite element geomechanics model of the wellbore using a meshing program to create an adjusted model of the wellbore.

A monitoring system for a working machine includes a measurement data acquisition unit configured to acquire measurement data of the ground on which the working machine travels; a measurement data adaptation unit configured to adapt at least part of the measurement data based on a distance from the working machine; and a rock fragment determination unit configured to determine the presence or absence of a rock fragment on the ground in the adapted measurement data.

The rock crushing device for geological exploration comprises a landing frame and further comprises a stamping assembly installed on the landing frame, a supporting frame is installed in the middle of the inner wall of the bottom of the landing frame, fixing assemblies are installed on the two sides of the inner wall of the bottom of the landing frame, and an electric sliding table is installed on the inner wall of one side of the landing frame. A turnover assembly is installed on the outer wall of one side of the electric sliding table, and supporting springs are fixed to the four corners of the outer wall of the top of the supporting frame. According to the rock crushing device for geological exploration, a rock sample can be put into the stamping box, the stamping assembly is used for carrying out pressure crushing on the rock sample, the two fixing assemblies are used for releasing fixation on the stamping box after crushing, and the vibrating motor is used for driving the stamping box to vibrate; the filtering opening in the bottom of the punching box can be used for screening the rock fragments, and the rock fragments with the suitable experimental size fall onto the overturning assembly through the filtering opening and can be directly taken and used, so that the device is more convenient to use.

The utility model provides a geological exploration hammer, and belongs to the technical field of exploration hammers. The geological exploration hammer comprises a grab handle, the side wall of one end of the grab handle is connected with a hammer body, the side wall of the other end of the grab handle is provided with a sliding groove, a shovel assembly is arranged in the sliding groove in a sliding mode, the grab handle is sleeved with a locking piece, and one end of the locking piece penetrates through the side wall of the sliding groove in a sliding mode and is connected with the shovel assembly in an inserted mode. The hammer body is installed on one side of the grab handle, a rock stratum or rock can be knocked through the hammer body, the sliding groove is formed in the other side of the grab handle, the shovel assembly is arranged in the sliding groove in a sliding mode, and therefore when rock fragments fall onto the ground, the fragments can be shoveled up through the shovel assembly on the other side of the grab handle, and the fragments can be stored in the storage box conveniently; and the shovel assembly can slide in the sliding groove, so that the length of the shovel assembly can be adjusted, adjustment and use can be conveniently carried out according to requirements, and the geological survey hammer is convenient to use.

The utility model provides a broken rock formation easy to return type reamer, which comprises a guide head, a drill bit body and a connecting cylinder, which are coaxially arranged. The guide head and the drill bit body are provided with multi-stage cutting tooth devices, wherein the guide cutting teeth at the front end of the guide head can be accurately positioned and preliminarily break rocks, the front cutting teeth at the upper end of the drill bit body are densely distributed to efficiently break rock layers, the rear cutting teeth at the lower end cut the rock fragments in the hole and the deformed hole wall during back drilling to break the jam. The drill bit body and the guide head are provided with annular slag discharge grooves on the outer sides, which form a spiral slag discharge channel in cooperation with the flushing holes on the body to improve the slag discharge efficiency. The cutting teeth are detachably connected with the tooth holes through threads, which facilitates replacement and maintenance. The coaxial integrated structure and the high-strength material design reduce the eccentric wear and prolong the service life. The utility model realizes efficient drilling and smooth back drilling in the broken rock formation, significantly improves the operation efficiency, reduces the equipment loss and has good engineering application value.

The invention discloses a method for calculating an optimal ultra-deep coefficient in cut blasting based on an ultra-deep blasting theory in the technical field of ultra-deep cut blasting. The method comprises the following steps: firstly, analyzing a mechanical equilibrium relationship in a movement process of rock fragments in a blasting groove cavity; according to the calculation method, the hole digging depth and the ultra-deep coefficient required by the blast hole can be quantified, the dynamic resistance in the groove cavity can be calculated after the rock mass to be blasted is broken, and the optimal ultra-deep value under different hole depths can be verified through a contrast test, so that the hole digging depth and the ultra-deep coefficient of the blast hole can be calculated. Theoretically calculating an ultra-deep coefficient setting reference under the limit equilibrium state of crushing and throwing, due to the fact that when the method is used for determining slotting blasting parameters and technologies, interference of human experience value taking on blasting parameter and blasting technology selection is reduced, the method can quantitatively analyze the blasting hazard effect, and the blasting quality is improved. The effect of a blasting scheme is measured by using the broken lumpiness of rocks after blasting and circulating footage, and for blasting in various complex environments, the depth of a blast hole is accurately calculated by calculating an ultra-deep coefficient, so that a proper blasting design scheme is more accurately selected.

The present invention discloses a cantilever tunneling device for hard rock and a rock block cutting method, which relates to the technical field of cantilever tunneling devices. It includes a housing, a rotating table is installed at the front of the housing, a suspension arm is installed on the top of the rotating table, a connecting arm is installed at the end of the suspension arm, a tunneling head is installed at the end of the connecting arm, a bucket is installed below the front of the housing, a rotating paddle is installed on the top surface of the bucket, and a conveyor belt is installed at the bottom end inside the housing and on the surface of the bucket; an angle deflection compensation component for adjusting the angle and position of the tunneling head when the suspension arm rotates; a rock fragmentation anti-spill mechanism for extending the collection area of the rotating paddle when the suspension arm deflects. Through the angle deflection compensation component, the angle and position of the tunneling head can be adjusted when the suspension arm rotates, so that the tunneling head is kept perpendicular to the hard rock; through the rock fragmentation anti-spill mechanism, the collection area of the rotating paddle can be extended to ensure that the rock fragments can be promptly pushed onto the conveyor belt.

The disclosed technology relates to an artificial rock formation designed to resemble natural sand, coral, and sediment reef rock, composed of bonded aggregate mix particles. The aggregate mix consists of sand, crushed coral, crushed seashells, rock fragments, or a combination thereof, which are bonded together into larger shapes using a bonding agent, while maintaining a visible granular structure. The resulting formation exhibits a free-form or naturally irregular surface, determined in general by the spray pattern and by the fact that some particles are not fully encapsulated by the bonding agent. The artificial rock does not require large structural components for stability and retains the natural appearance of its constituent materials without visibly encapsulating a bonding layer. The final product may be used for aquariums, decorative applications, ensuring a realistic texture and structure suitable for various ecological and ornamental uses.

Techniques for determining a rock fragment size and size distribution include determining rock fragment parameters associated with a well systems. The techniques further include determining a fractal dimension based, at least in part, on the rock fragment parameters. The techniques further include determining a rock fragment size distribution based, at least in part, on the fractal dimension.

The utility model relates to the field of coal mines, in particular to a drilling well with a slurry solid-liquid separation function, which comprises a drilling platform. The drilling platform further comprises a filtering box, a filtering frame, a rotating shaft, a first transmission disc and a transmission assembly, the filtering box is installed on the left front side of the upper surface of the drilling platform, and the filtering frame is arranged in the filtering box; through the arrangement of the filter box and the filter frame, when the drilling platform works, a generated slurry and rock debris mixture can be discharged into the filter frame through a pipeline, rock debris in the slurry and rock debris mixture is filtered through the filter frame, and then the first transmission disc is driven to rotate through the transmission assembly; and the first transmission disc can drive the rotating shaft to rotate when rotating, so that the left end of the filtering frame rotates, the filtering frame has a dumping action, a worker can conveniently clean rock debris in the filtering frame, the purpose of pretreating a mixture of slurry and rock debris is achieved, and the follow-up operation burden of the centrifugal vibrating screen is relieved.

The invention relates to the technical field of coal mining equipment, and discloses a coal mine fully mechanized coal mining face hydraulic support which comprises a base, a stand column, a plurality of supporting beams, a shield beam and a side protection plate and further comprises a plurality of guide blocks which are arranged on the tops of the supporting beams in a splayed mode and used for guiding falling clastic sandstone. A plurality of positioning grooves matched with the guide blocks are formed in the top of the supporting beam, in a conventional supporting state, the guide blocks are located in the positioning grooves, and the top planes of the guide blocks coincide with the top plane of the supporting beam; and the lifting assembly is arranged in the supporting beam and comprises a plurality of synchronous plates, the guide blocks are connected with the synchronous plates through connecting blocks, fixing plates are fixedly connected to the surfaces of the synchronous plates, hydraulic rods are hinged to the interior of the supporting beam, and the output ends of the hydraulic rods are hinged to the fixing plates. The device has the advantages that falling rock fragments are guided and collected, and damage caused by falling of the rock fragments is reduced.