346 results about "Rock cutting" patented technology

The invention relates to the technical field of underground mining of metal ore deposits, in particular to a staged ascending pillar-free large-diameter deep-hole lateral caving subsequent filling mining method, which comprises the following steps of: dividing a steeply inclined medium-thickness ore body into a plurality of stages, and dividing large and small stopes in the stages without leaving pillars; digging a flat-bottom ore removal structure at the bottom of the stope, and digging a rock drilling chamber at the bottom of the stope at the upper stage; digging a cutting well at the end part of the stope and expanding the cutting well into a cutting groove; large-diameter parallel deep holes are drilled downwards in the rock drilling chamber, and lateral ore caving is carried out with cutting grooves as free faces; the caved ore is transported out by a carry-scraper through the flat-bottom ore removal structure; and the stope goaf is subjected to subsequent cemented filling. The small stopes are firstly stoped and filled with the 1: 4 full-tailing cementing material, and after the small stopes are solidified, the large stopes are stoped and filled with the 1: 20 full-tailing cementing material. The method has the characteristic of ascending stoping among stages, and has the advantages that pillar-free continuous stoping is realized, and the rock drilling chamber is used as a flat bottom ore removal structure to be reused.

The invention discloses a multifunctional all-in-one unit for drilling and blasting method construction and a construction technology, and relates to the technical field of tunnel construction, the multifunctional all-in-one unit comprises a rack assembly, a left drilling arch arm frame, a left drilling arm frame, a vertical arch arm frame, a right drilling arm frame, a right drilling arch arm frame, a guniting arm frame, a pumping system, a hydraulic system and an electrical system; a vertical arch module of the left drilling arch arm frame, a vertical arch module of the vertical arch arm frame and a vertical arch of the right drilling arch arm frame snatch a left arch frame, a middle arch frame and a right arch frame to carry out arch erecting and mesh welding operation; a charging hanging basket is arranged at the front end of the rack assembly; the rock drilling modules of the left drilling arch arm frame and the right drilling arch arm frame work independently or cooperatively in cooperation with the left drilling arm frame and the right drilling arm frame and are used for drilling anchor rod holes and blast holes. According to the invention, multiple functions such as drilling of blast holes, charging of a hanging basket, blasting, erecting of meshes, anchor rod operation, guniting and the like can be integrated, parallel working procedures or seamless connection of the working procedures can be realized, and the construction progress can be greatly improved.

The mine rock drilling robot comprises a walking mechanism, a telescopic mechanical arm and a rock drilling mechanism, the walking mechanism comprises an outer supporting frame and an inner supporting frame, first hydraulic supporting legs are vertically fixed to the four corners of the outer supporting frame, and second hydraulic supporting legs are vertically fixed to the four corners of the inner supporting frame; the inner supporting frame is connected to the outer supporting frame through a moving mechanism, and the first hydraulic supporting leg and the second hydraulic supporting leg can be alternately supported or jointly supported to the ground. The telescopic mechanical arm is installed on the inner supporting frame and used for being folded and stored and stretching out to the position below the rock drilling position. The rock drilling mechanism is installed at the end of the telescopic mechanical arm and comprises a rock drilling machine and a stable supporting mechanism, and the stable supporting mechanism is used for abutting against a top and bottom plate of the stope to stabilize the rock drilling machine. The walking mechanism can adapt to the ground shape, and stable movement is guaranteed; the height requirements of different mining faces are met through the telescopic mechanical arm; the stable supporting mechanism is vertically supported on the mine ground and the top of an ore body, and the safety and stability of equipment are improved.

The invention discloses a drill rod signal transmission monitoring control method, which comprises the following steps: capturing drill rod axial vibration waveform and peripheral magnetic field vector change data in real time, analyzing and marking potential resonance frequency points, calculating magnetic field intensity break variable, and judging a geomagnetic anomaly region; determining the relevance between a resonance frequency point and geomagnetic mutation through time alignment processing, and separating and coupling interference signals; generating an anti-phase damping wave according to the resonance frequency point, dynamically adjusting the amplitude, and injecting a pre-compensation phase to counteract carrier offset; the signal-to-noise ratio and the phase error after suppression are calculated in real time, and a parameter readjustment process is triggered to ensure the suppression effect; when the rock drilling vehicle enters a new rock stratum, parameters are automatically recorded and updated to adapt to different rock stratum interference characteristics; the drilling stability and the signal quality are obviously improved, and the equipment loss and the maintenance cost are reduced.

The invention relates to a vertical shaft tunneling and supporting integrated trolley which comprises a barrel-shaped frame body which moves up and down along a vertical shaft. The crushing and slagging-off arm support system comprises a slagging-off crushing device, and the slagging-off crushing device is used for slagging-off and / or crushing and trimming operation; the crushing and slagging-off arm frame system slides along the axis direction of the cylindrical frame body; the rock drilling arm frame system comprises at least two sets of first rock drilling arm frames, the first rock drilling arm frames have a folded state in which the first rock drilling arm frames are attached to the inner wall of the cylindrical frame body and an unfolded state in which the first rock drilling arm frames face the vertical shaft tunnel face to conduct rock drilling operation, and when the rock drilling arm frame system is in the folded state, the rock drilling arm frame system is arranged in the cylindrical frame body. The vertical shaft tunneling and supporting integrated trolley provided by the invention can realize whole-process operation of vertical shaft expanding excavation drilling, slagging-off and supporting operation.

The utility model discloses a tunneling rock drilling device which comprises a propelling beam, a holding and clamping device arranged on one side of the propelling beam and used for conveying to-be-used drill rods to the propelling beam, a push rod device arranged on a second to-be-used drill rod, a first to-be-used drill rod arranged on the holding and clamping device and a second to-be-used drill rod arranged on the second to-be-used drill rod arranged on the push rod device. The push rod device is arranged on the propelling beam and used for conveying the second to-be-used drill rod to the holding and clamping device. The utility model further discloses a tunneling drill jumbo which comprises a jumbo body, an arm support mechanism arranged on the jumbo body and the tunneling drill device arranged on the arm support mechanism. The push rod device is matched with the holding and clamping device, compared with an existing holding and clamping device with a connecting rod, only one drill rod can be additionally arranged, and the drilling depth is limited, more drill rods can be automatically additionally arranged, the drilling depth is increased, the requirement for longer drilling operation is met, and the device is suitable for small-section construction sites.

The invention relates to the field of well drilling, in particular to a cleaning method and cleaning slurry.The cleaning method comprises the steps that cleaning slurries with different viscosities are pumped in through a slurry pump to conduct circulating cleaning on a borehole, and the cleaning process of each circulating period sequentially comprises the three stages of thick slurry cleaning, thin slurry cleaning and thick slurry cleaning, the thick slurry is clean slurry with the Markov funnel viscosity of 300-800, and the thin slurry is clean slurry with the Markov funnel viscosity of 80-200 s. The cleaning slurry takes well slurry as base slurry and comprises sulfonated lignite, polypropylene fibers, high-softening-point emulsified asphalt, 800-mesh superfine calcium, 1200-mesh superfine calcium, polyanionic cellulose and 2500-mesh superfine calcium. The process is simple, the flushing and carrying effects on rock debris and falling blocks of different sizes are good, and the consumption of cleaning liquid is small.

The invention belongs to the technical field of tunnel blasting, and discloses a three-axis rotary cutting working arm of a rock drilling vehicle for tunnel blasting vertical hole arrangement, which comprises a mounting seat and also comprises a connecting frame. According to the technical scheme, by arranging a sensing assembly and a fixing assembly, when the output end of a rock drilling machine device rotates to perform vertical hole arrangement on a tunnel, the output end of the rock drilling machine device rotates to perform vertical hole arrangement on the tunnel; due to the fact that a fixed assembly at the output end of the rock drilling machine device is abraded during long-term rotation, a movable column is squeezed, one end of the movable column makes contact with a pressure sensor, the pressure sensor obtains pressure data and sends the pressure data to a control end, and the rock drilling machine device can be controlled to run and retract; the fixing effect on the fixing assembly at the end of the rock drilling machine device is relieved by starting the unlocking assembly, finally, the end of the rock drilling machine device can be moved to be aligned with the intact fixing assembly on the inner side of the sliding round sleeve, the intact fixing assembly is clamped to the end of the rock drilling machine device, the purpose of rapid replacement of the fixing assembly is achieved, and operation is convenient and rapid.

The present invention relates to an automatic rod-changing rod magazine for a rock drilling jumbo, and a control method therefor. The automatic rod-changing rod magazine comprises an automatic rod-changing rod magazine assembly. The automatic rod-changing rod magazine assembly comprises an extension rod magazine, structural supports, a first-stage rotating arm, a second-stage rotating arm, a rotating arm support and a rod feeding manipulator, wherein a plurality of drill rods are built in the extension rod magazine; the first-stage rotating arm is rotatably connected between two structural supports; the rotating arm support is arranged on the first-stage rotating arm; the second-stage rotating arm is rotatably connected to the rotating arm support; the rod feeding manipulator is provided on the second-stage rotating arm; each of the extension rod magazine, the first-stage rotating arm and the second-stage rotating arm is provided with a rotary motor; the rotary motor is connected to a hydraulic system; and the hydraulic system is connected to a controller. In the present invention, the automatic rod-changing rod magazine assembly is configured in combination with the rod feeding manipulator and the operation control of a feed beam assembly and a rock drill to complete automatic rod changing and rod removal on the basis of a set drilling depth. The work accuracy and work efficiency are thus improved.

The utility model relates to the technical field of powder discharging groove machining, in particular to a drill bit powder discharging groove machining device which comprises a numerical control milling machine and a rotary table chuck arranged on a workbench of the numerical control milling machine. The rotary table chuck comprises a supporting table detachably connected to a numerical control milling machine workbench, a chuck transversely and rotationally connected into the supporting table, a plurality of clamping jaws arranged at one end of the chuck in a sliding mode, a first driving part arranged on the supporting table and a second driving part arranged on the chuck, and the first driving part is in transmission connection with the chuck to drive the chuck to rotate. And the second driving piece is in transmission connection with the multiple clamping jaws to drive the multiple clamping jaws to get close to or get away from each other. The second driving piece on the rotary table chuck drives the multiple clamping jaws to be close to or away from each other synchronously, accurate adjustment can be conducted according to the size of a drill bit, rock drilling drill bits of different specifications can be stably clamped, it is guaranteed that the drill bit does not shake in the machining process, the machining precision of a powder discharging groove is improved, and the product quality is guaranteed.

The invention discloses a safety mining method for gently-inclined medium-thick ore bodies by adopting a remote-control carry-scraper to carry ores, which comprises the following steps of: arranging an uphill roadway (2) at the bottom of a panel pillar (1), arranging a plurality of stopes (3) along the inclined direction of the uphill roadway (2), and arranging a filling inclined roadway (4) at the top of the panel pillar (1); digging a filling combined roadway (5) towards the highest position of each stope (3) in the filling inclined roadway (4), and reserving a filling drill hole (6) at the end part of the filling combined roadway (5); a rock drilling roadway (7) is dug towards the bottom of each stope in the uphill roadway (2), a cutting raise (8) is arranged in the middle of each rock drilling roadway (7), a cutting groove (9) is formed after the cutting raise (8) is exploded, and exploded ore (10) falls into an ore receiving trench in each rock drilling roadway (7) and is shoveled to a draw shaft (11) through a carry-scraper with a remote control or autonomous navigation function. According to the method, personnel do not need to enter a stope for operation, safety risks are eliminated essentially, and the mining and cutting work amount is reduced by 40% or above.

The utility model relates to the technical field of storage devices, in particular to an oil base rock debris dry slag storage bin which comprises a storage bin body, a limiting assembly is fixedly installed at the bottom of the front end of the outer wall of the storage bin body, the bottom of the storage bin body is designed to be of a conical structure, and a filter plate is fixedly installed at the bottom of the inner side of the storage bin body. Supporting frames are rotationally installed on the two sides of the storage bin correspondingly. The limiting assembly comprises a bottom frame, an adjusting air cylinder is fixedly installed on the bottom frame, a connecting frame is fixedly installed at the top of the adjusting air cylinder, and the connecting frame makes contact with the outer wall of the storage bin but is not fixedly connected with the outer wall of the storage bin. The storage bin has the advantages of high efficiency in discharging, solid-liquid pre-separation, high dynamic stability and convenience in operation, and solves the problems that a traditional storage bin is serious in discharging residue, solid-liquid mixing is difficult to separate, and the discharging efficiency is low due to the fact that inclination angle adjustment is limited.

This utility model relates to the field of rock cuttings processing technology, specifically to a rock cuttings conveying device, including a conveying pump mechanism, a rock cuttings receiving chamber, a main hydraulic pump, a secondary hydraulic pump, a valve block, a hydraulic control tank, and a skid. The conveying pump mechanism includes a swing pipe and a conveying assembly. The rock cuttings receiving chamber and the swing pipe are both integrated in a first chamber A, with the swing pipe connected below the rock cuttings receiving chamber. The main hydraulic pump, secondary hydraulic pump, valve block, hydraulic control tank, and conveying assembly are all integrated in a second chamber B. The oil outlets of the main hydraulic pump and the secondary hydraulic pump are connected to the conveying assembly via the valve block, and the conveying assembly is connected to the swing pipe. The hydraulic control tank is connected to the oil inlets of the main hydraulic pump and the secondary hydraulic pump. Both the first chamber A and the second chamber B are integrated on the skid. This utility model achieves modularization, facilitating installation and relocation, and occupies a small area. The main hydraulic pump and / or the secondary hydraulic pump can be selected according to the liquid level in the rock cuttings receiving chamber, achieving energy saving.

This invention relates to the field of rock cuttings sampling technology and discloses an automated drilling rock cuttings sampling device, including a side plate with a cleaning box installed inside. A cover plate is inserted into the feed inlet, and the upper part of the inner side is hollow. A locking block is inserted into one side plate, with guide shafts connected to both sides of the locking block and fitted with first springs. Bearings are installed externally, and a transmission shaft is inserted into the bearings and locking block. A first motor is mounted on the outside of the locking block, and its rotor is coaxially connected to the outer end of the transmission shaft. An eccentric block is mounted externally on the transmission shaft, and a connecting rod is mounted circumferentially. The outer end of the connecting rod is connected to a lever plate, and an inner rod is inserted internally. A slot is opened on the surface of the transmission shaft, into which a mounting bracket is inserted and connected to the inner rod. A mounting plate is connected to the other side of the locking block. A second motor is mounted on the lower surface of the mounting plate, with its rotor penetrating the mounting plate and coaxially connected to a cam at its top. The device uses the first motor to drive the transmission shaft to rotate and vibrate up and down, causing the lever plate to flip and lift the rock cuttings. The second motor drives the cam to push the inner rod in horizontal reciprocating motion, achieving multi-directional agitation and improving the cleaning effect and sampling speed.

The hard alloy tooth with the anti-slip strip structure comprises an alloy tooth column body and a hemispherical tooth head part, the hemispherical tooth head part and the alloy tooth column body are integrally formed, a plurality of strip-shaped notches which are distributed in an annular mode are formed in the bottom of the outer side wall of the alloy tooth column body, and the strip-shaped notches are formed in the bottom of the outer side wall of the alloy tooth column body. An anti-skid protruding strip is welded to the interior of each strip-shaped notch, an annular reinforcing ring is arranged at the top of the outer wall face of the alloy tooth column body, and the annular reinforcing ring is connected with the top of each anti-skid protruding strip. According to the alloy tooth, the strip-shaped notches which are annularly distributed are formed in the bottom of the outer side wall of the alloy tooth cylinder, the anti-skid convex strips are welded in the strip-shaped notches, and the annular reinforcing rings are arranged to be connected with the tops of the anti-skid convex strips, so that the anti-skid convex strips are not damaged when the alloy tooth and a drill rod body are installed in an embedded mode; the connection between the tail part and the drill rod body has good connection firmness, and the alloy teeth are not easy to loosen, so that an efficient rock drilling effect is realized.

The invention belongs to the technical field of seismic exploration, and discloses a multi-source data fusion-based real-time logging-while-drilling rock debris lithology identification method, which comprises the following steps of: 1, scanning known rock debris to obtain typical multi-source data, performing nonlinear dimensionality reduction fusion to obtain typical low-dimensional feature data, and establishing a typical rock debris sample feature database; 2, the while-drilling logging rock debris is scanned to obtain real-time multi-source data; a third step of performing nonlinear dimension reduction fusion on the real-time multi-source data to obtain real-time low-dimensional feature data; 4, classifying the real-time low-dimensional feature data in combination with a typical rock debris sample database, and establishing an accurate lithologic columnar section; 5, predicting an initial lithologic profile; sixthly, the initial lithologic section is calibrated in real time through the accurate lithologic columnar section, and a final lithologic section is obtained. According to the method, the real-time multi-source data is obtained in real time, the identification result is more accurate, the multiplicity of solutions is reduced, and the lithologic section predicted before drilling is more accurate.

The present application relates to a kind of mining semi-automatic rock drilling jumbo, including vehicle body, drive assembly and vehicle-mounted hydraulic system being installed on vehicle body, fixedly arranged in the driving module of the vehicle body one side, detachably installed in the multi-stage telescopic arm of the driving module one side and by the vehicle-mounted hydraulic system control, rock drilling mechanism being installed on the multi-stage telescopic arm;Adopt one person driving one person remote control operation mode, two staff cooperate, reasonably control the distance and speed of rock drilling, and can find deviation in rock drilling process in time, and the present application is inserted into rock hole when drill bit cooling, make rock drilling mechanism keep stable posture, not because the vibration of equipment leads to deviation, facilitate drill bit and anchor rod are inserted into the same rock hole again continue operation.

The present application relates to a kind of downward vein external fan-shaped medium-length hole rock drilling segmented open stope subsequent filling mining method, belong to mining technical field.The mining method in the present application is applicable to 20~30m thick ore body inclination;The ore body is divided into multiple sections according to certain height, each section is a stage, and a plurality of subsections are divided in stage, overall stoping direction is from top to bottom, and a plurality of stope are divided out vertically ore body trend;The present application is by to mining, cutting and stoping step specially structured arrangement and has corresponding operation method, so that rock drilling, ore drawing are all operated in vein external roadway, the stability of vein external roadway can be better controlled by the influence of mining and filling operation, and the security guarantee degree is higher;Meanwhile, mining preparation engineering, cutting engineering quantity in the present application are compared with the existing technology in access type filling, stratified filling mining process and are optimized and reduced, so as to improve operation efficiency and reduce cost.

The application discloses a kind of based on prospecting auxiliary river control and remote control ore drawing irregular hard-to-mine ore body high-efficiency mining method, it is applicable to the underground metal mine irregular hard-to-mine ore body stoping of inclination 10~60°, thickness 6~15m.This method is first based on ore body inclination difference design stope height, then in turn implement exploration and mining integrated preparation control ore, full-face collaborative rock drilling control lean, millisecond accurate segmented blasting, phased man-machine isolation remote control ore drawing and goaf filling;Through 2 prospecting auxiliary rivers, the ore body control accuracy is improved to 25m, combined with deep and shallow hole full-face hole arrangement, local charging, digital detonator accurate initiation, with conventional shovel-truck main ore drawing + remote control shovel-truck finishing ore drawing.The application breaks the industry technical prejudice that irregular thin ore body cannot adopt single segmented deep hole concentrated caving, realizes mining loss and dilution double low control, whole man-machine isolation ensures operation safety, while greatly reducing mining and cutting engineering quantity and stoping cycle, reduces comprehensive cost, process adaptability is strong, engineering popularization value is remarkable.

The application discloses a transverse double-support disc-shaped driving device suitable for a hard rock cutting cutter head, which is novel and reasonable in structure, compact in layout, adopts a low-speed large-torque motor as a driving source, can effectively guarantee cutting power of the hard rock cutting cutter head, reduces labor intensity of workers, improves working efficiency of the hard rock tunneling machine, and realizes rapid tunneling and guarantees working efficiency of mechanical equipment. In addition, the transverse double-support disc-shaped driving device suitable for the hard rock cutting cutter head reserves double support points for a cantilever, namely an open end of a motor seat and a non-circular mounting seat on a support frame, the two support points are located at two axial ends of the transverse double-support disc-shaped driving device suitable for the hard rock cutting cutter head, and thus double-arm support is formed, that is, one side arm is inlaid and mounted in a recess hole of the motor seat through connecting bolts, and the other side arm is connected and supported with the non-circular mounting seat. The cantilever double-side connection mode can effectively improve reliability of the support arm.

The invention discloses a propelling device for a rock drill and a drill jumbo, and relates to the technical field of drill equipment, the propelling device comprises a rock drill body, propelling equipment arranged outside the rock drill body, a drill bit body in transmission connection with the propelling equipment, and a water spraying hole body formed in the inner wall of the drill bit body; the blockage detection mechanism is arranged on the inner wall of the drill bit body; the adjusting expansion mechanism is arranged on the outer wall of the water spraying hole body, the equipment can'automatically detect 'the change of water pressure in the water spraying hole body through the blockage detection mechanism and the adjusting expansion mechanism, and when the water pressure in the water spraying hole body changes, the blockage detection mechanism can be triggered at the first time and drives an adjusting plate to move to form an'expansion' and'shrinkage 'state; the diameter of the water spraying hole body can be dynamically changed from the outside, so that stones clamped in the adjusting plate are washed away by water flow, the situation that the drill bit body is overheated due to blockage of the water spraying hole can be prevented, and equipment is more stable during working.

The utility model provides a drill jumbo swing oil cylinder with a two-side switching assembly encoder structure, which is provided with an outer shell, a left rotating shaft sleeve, a right fixing seat plate, a locking shaft and a fixing shaft sleeve, the left rotating shaft sleeve is positioned on the left side in the outer shell, and the right fixing seat plate is positioned on the right side of the outer shell. The fixed shaft sleeve is located on the outer circumference of the locking shaft, the locking shaft can move left and right in a hole in the left section of the left rotating shaft sleeve and the interior of the fixed shaft sleeve, when the locking shaft moves leftwards, the locking shaft and the left rotating shaft sleeve can be locked and fixed, and when the locking shaft moves rightwards, the locking shaft and the fixed shaft sleeve can be locked and fixed. And the axial outer side end part of the left rotating shaft sleeve and the right side end part of the locking shaft can be connected with an encoder. The encoders can be installed at the two ends of the swing oil cylinder and can be installed according to actual requirements, the rotating angle of the left rotating shaft sleeve can be monitored in real time, and operation is easy and fast. The swing oil cylinder can be widely applied to swing oil cylinders.

The utility model discloses a protective cover device for a rock cutting machine, and relates to the technical field of rock cutting machines, the protective cover device comprises a protective main body and a cutting machine assembly installed in the protective main body, the outer side of the protective main body is movably connected with an opening and closing cover, and the outer side of the bottom of the protective main body is elastically connected with a fixing shell; elastic supporting mechanisms are arranged at the four corners between the protection body and the interior of the fixing shell, a rotating disc is fixed to the bottom of the fixing shell, and a fixing ring is movably connected to the outer side of the rotating disc. On the safety protection aspect, the transparent opening and closing cover is convenient for operators to observe the cutting process, splashing fragments, broken blades and the like can be effectively blocked, the opening and closing cover is limited by the fixing shell and cannot be opened when equipment runs, personnel danger is avoided, and the elastic supporting mechanism is matched with the telescopic rod, so that the safety of the equipment is improved. The stable downward pressing acting force is provided during cutting, the saw blade is separated from the ground during non-cutting, the saw blade is protected, and meanwhile operation safety is guaranteed.

The utility model discloses a small -size mining rock drilling jumbo rear suspension, including rear suspension bottom plate, both sides of rear suspension bottom plate all are fixedly installed with rear suspension side plate, and the rear suspension tailboard is fixed between two rear suspension side plates, and rear suspension tailboard is located rear suspension bottom plate upside tail part, rear suspension tailboard side face upper portion fixedly installed with reel fixed base, reel fixed base side fixedly installed with oil -water separator mounting plate. Small -size mining rock drilling jumbo rear suspension, adopts welding mode and concentrates the spare part on rock drilling jumbo together, and the collective overhaul of staff is convenient, improves the overhaul efficiency, and can effectively reduce the volume of rear suspension after the concentration of spare part, and the rock drilling jumbo of equipping this rear suspension is convenient in the mine roadway and moves operation, reduces the harm and loss caused by collision.

This invention discloses a subgrade design method for ballastless track in expansive rock cuttings based on energy dissipation piles. The subgrade includes rigid piles, flexible rubber rings, and an expansive rock foundation. The steps are as follows: obtaining the foundation parameters of the expansive rock foundation; calculating the extrusion deformation of the flexible rubber rings under the lateral energy dissipation effect of the piles; calculating the vertical expansion force of the expansive rock foundation; calculating the shear force on the rigid-flexible energy dissipation piles and the upward thrust of the vertical expansion of the rock strata on the assembly groove within the atmospheric influence depth range; calculating the upward pull force on the rigid-flexible energy dissipation piles within the atmospheric influence depth range; calculating the pull-out force of the rigid-flexible energy dissipation piles below the atmospheric influence depth range; constructing a pull-out stability verification based on the pull-out force and pull-out force; determining the pile length of the rigid-flexible energy dissipation piles and the reinforcement of the rigid piles based on the pull-out stability verification and the tensile strength model of the pile body; the rigid-flexible energy dissipation pile structure designed based on the above parameters has both lateral energy dissipation and pull-out synergistic effects, which can effectively control the arching deformation problem of the expansive rock cutting.

This application provides a brick-making device for oil-based rock cuttings waste, belonging to the technical field of oil-based rock cuttings processing equipment. The device includes: a support platform with a notch on one side of its bottom, a feeding box on the platform, and a feeding port at the bottom of the feeding box; a turntable located at the bottom of the feeding box, with forming zones arranged in a circular array on the turntable. When the forming zone is located below the feeding port, it is used to obtain a certain amount of waste material. The turntable is equipped with a pressing component for brick making, which corresponds to the upper part of the distribution trajectory of the forming zone and is offset from the notch. The bottom of the pressing component has a pressing block that is adapted to the shape of the forming zone; and a conveying component arranged radially along one side of the support platform, including a conveyor belt, one end of which is located directly below the notch to receive the formed bricks. Using the solution provided in this application, continuous brick making can be achieved with high efficiency.

The application discloses a kind of hydraulic control system and rock drilling jumbo, including oil tank, hydraulic pump, rock drilling assembly, control valve group, first reversing valve, second reversing valve, logic valve, pressure compensation valve and feedback valve group, the oil outlet of oil tank is communicated with hydraulic pump, the oil outlet of hydraulic pump is respectively communicated with control valve group, first reversing valve and logic valve, rock drilling assembly is communicated with oil tank, the oil inlet of first reversing valve is respectively communicated with the liquid control port of logic valve, feedback valve group, second reversing valve and oil tank;Relative to prior art, through the seamless switching of constant pressure control and load sensitive control, the arbitrary combination of two working states and two control modes is matched, and the rock drilling impact pressure is ensured not to be affected by other load pressure during rock drilling, so that the rock drilling assembly cannot be overpressure, can be effectively protected, meets the working condition requirement of rock drilling jumbo in different occasions, different scenes, greatly improves the versatility of rock drilling jumbo, practicality is strong, is suitable for being widely promoted and application.

The invention relates to the technical field of rock cutting in geology and petrology research, in particular to a semi-automatic batch rock slicer which comprises a shell, a workbench is arranged below the shell, a first cutting assembly, a second cutting assembly, a cooling assembly and a rock clamp are arranged in the shell, and the structure of the shell comprises a front cover plate capable of being opened and closed. A control button is arranged on the workbench, and the rock clamp is fixed to the top in the shell and used for clamping and fixing rock. The first cutting assembly and the second cutting assembly are arranged in the shell side by side and each structurally comprises two saw blades, and the two saw blades of the first cutting assembly and the two saw blades of the second cutting assembly can be controlled to rotate and can be vertically adjusted in position. The rock slicing device is reasonable in structure, economical and practical, realizes one-time multi-slice cutting so as to greatly improve the processing efficiency of rock slices, and meets the requirement of batch production; the operation process is optimized through semi-automatic control, the labor intensity of workers is reduced, and the operation convenience is improved.

This application proposes a grease bucket bracket adapted for rock drill vehicles, used to fix a grease bucket on the rock drill vehicle frame. It includes: a fixed base having a first mounting surface and a second mounting surface, the extension direction of the first mounting surface intersecting the extension direction of the second mounting surface, so that the fixed base can be installed to different structural mounting positions on the rock drill vehicle frame via the first mounting surface and / or the second mounting surface; and a clamp assembly, disposed on the fixed base and located in a receiving space of the fixed base away from the first and second mounting surfaces, used to hold and position the grease bucket. This solves the technical problem of poor matching degree between existing clamp-type grease bucket brackets and the mounting spaces and layouts of different rock drill vehicle frames due to their simple structure. This allows the grease bucket bracket to flexibly select the installation method according to the actual structure of the rock drill vehicle's tail frame, breaking through the limitation of traditional grease bucket brackets only being applicable to mounting surfaces in a specific direction, and avoiding the need to customize multiple bracket models due to differences in vehicle frame structure.