1179 results about "Rock cutting" patented technology

The invention provides a measuring device suitable for wire saw rock cutting drilling positioning and a control method, and relates to the field of rock cutting construction. The plane position of a drilling machine and three-dimensional space attitude data of a drilling rod are obtained in real time through a GNSS receiver module arranged on drilling machine equipment, and the angle and the position of the drilling rod are accurately controlled through real-time monitoring of a multi-sensor module; the data processing module verifies and analyzes the received data, transmits an analysis result to the deviation judgment module and calculates the deviation value of the data, meanwhile, the HMI control module facilitates an operator to monitor the equipment state in real time, and when the deviation judgment module confirms that the deviation of all the data is within a preset threshold value, the HMI control module sends the data to the data processing module. The HMI module indicates the drilling machine to start drilling operation; the method is suitable for various rock cutting and drilling tasks, particularly in the environment needing high-precision positioning and drilling control, the accuracy and reliability of data are improved, and therefore the drilling precision and stability are improved.

The invention belongs to the technical field of hard rock cutting and tunneling, and particularly relates to a front eccentric block excitation cutting disc rock breaking device which comprises a cutting assembly, an eccentric excitation device, a driving assembly and a supporting assembly, and the rear portion of the supporting assembly is fixedly connected with a cutting arm of a tunneling machine; the driving assembly comprises a motor, a main shaft and various connecting devices; an eccentric excitation device and a cutting assembly are mounted at the front end of the main shaft; the cutting assembly is mounted at the front end of the main shaft; the driving device ensures stable rotation of the cutterhead and enables vibration generated by the eccentric excitation device to be transmitted to the cutterhead. Vibration generated by rotation of the eccentric block is utilized to enable the cutter head to impact the rock, so that the rock is collapsed, and the rock is efficiently cut; as the cutter head cuts the rock mainly by means of vibration impact generated by the eccentric device, compared with a self-rotating mode and a traditional milling rock breaking mode and a TBM rolling mode, the efficiency of cutting the rock is improved, and the service life of the cutter is prolonged.

The invention provides a multi-arm drill jumbo self-adaptive drilling track planning method based on visual navigation, which relates to the technical field of visual identification, and comprises the following steps: acquiring image data, identifying a working surface change area, generating a drilling grid with topological optimization, determining a target drilling position set and a drilling direction set, and performing drilling grouping. Generating a space-time conflict constraint for each group of drill holes, and iteratively optimizing to determine a multi-arm collaborative operation sequence; in the process of executing the multi-arm operation sequence, a structured light projection technology and a visual phase shift method are adopted to obtain a deformation field of the surface of a rock mass, rock mass response characteristics including elastic deformation, plastic deformation and abnormal deformation information are established, and according to the rock mass response characteristics, a progressive B-spline track adjustment algorithm is adopted to adjust the drilling track in real time.

The invention discloses an evaluation and improvement method and device for a tunnel blasting effect and a medium, and relates to the technical field of tunnel engineering.The evaluation and improvement method comprises the steps that a tunnel coupling data set is collected, space registration and three-dimensional shape reconstruction are conducted, fracture space distribution is formed, risk probability mapping is conducted on the fracture space distribution, and a fracture risk thermodynamic diagram is output; the fracture risk thermodynamic diagram and tunnel rock mass data are input into a digital twin blasting model, a load mapping layer carries out load gradient distribution, a rock mass response deduction layer carries out stress wave propagation simulation and damage accumulation quantification, an optimized blasting number instruction set is generated, and a drill jumbo is driven to execute blasting operation and vibration monitoring according to the optimized blasting instruction set. And actual blasting effect parameters are obtained. According to the method, accurate simulation of geological conditions and optimal adjustment of blasting parameters are realized through the digital twin blasting model, and meanwhile, refined and interpretable evaluation of the blasting effect is realized through vibration monitoring and error propagation modeling of the actual blasting effect.

Integrated underwater rock drilling and splitting device, characterized in that it comprises: a supporting structure (1); a drilling unit (2) mounted on the support structure (1); a splitting unit (3) mounted on the support structure (1), wherein the splitting unit (3) and drilling unit (2) are arranged at intervals; and wherein the splitting unit (3) comprises a splitting rod (301) provided with a plurality of telescopic piston segments (302); a positioning and borehole alignment system comprising a positioning pin (401) and at least one auxiliary positioning device, wherein the positioning pin (401) is designed to bear against and be fixed to a rock body (7) and the auxiliary positioning device is arranged relatively fixedly on the support structure (1); a workstation switching mechanism (5), wherein the support structure (1) is arranged on the drive side at a switching end of the workstation switching mechanism (5); wherein the workstation switching mechanism (5) is configured as a rotary switching mechanism or a translation switching mechanism; wherein the rotary switching mechanism is configured to drive the support structure (1) to rotate so that the splitting unit (3) is able to move and be aligned with the drilling position of the drilling unit (2); and wherein the translation switching mechanism is configured to drive the support structure (1) to translate so that the splitting unit (3) is able to move and be aligned with the drilling position of the drilling unit (2); and a connecting rod (6), wherein the connecting rod (6) is adapted to be connected to a ship-based manipulator arm in order to adjust the underwater depth of the device.

The invention discloses a multifunctional all-in-one unit which comprises a rack, a tunneling part, a vertical arch part, an arch spraying part and a rock drilling part. A slag discharging channel is formed in the lower portion or at least one side of the rack. The tunneling part is arranged at the front end of the rack and used for tunneling excavation. The arching part is arranged on at least one side of the rack in a sliding mode and used for being matched with the arching part to conduct arching operation, the arching part and the rock drilling part are arranged on the rack in a sliding mode, the arching part is used for guniting operation and being matched with the arching part to conduct arching operation, and the rock drilling part is used for drilling operation; according to the scheme, the integrated trolley is integrated with multiple functions of excavation, erection, bolt anchoring, guniting, pumping and the like, a slagging-off machine and a slag car are arranged for deslagging, full-process construction of the tunnel face is completed, parallel processes or seamless connection of the processes is achieved, the traditional technological method that all the processes are independent and not parallel and work in a multi-machine cooperation mode is changed, the construction progress is greatly accelerated, and the construction efficiency is improved. And more values are created for customers.

The invention discloses a self-adaptive rock drilling control method and a drill jumbo. The self-adaptive rock drilling control method comprises the steps that S1, initialization is conducted, specifically, parameters including the quality of a drilling component, a drilling included angle, a calculation coefficient, target propulsion pressure, target impact pressure and control parameters are initialized based on a control system before operation; s2, drilling is conducted according to the initialized parameters, the number of drill rods is recorded by a drill rod number counter, and impact pressure compensation and propelling pressure compensation are conducted according to the increased number of the drill rods; s3, adjusting the output propulsion pressure based on the difference between the target rotation pressure and the actual rotation pressure to enable the actual rotation pressure to tend to the target rotation pressure, adjusting the impact pressure based on the relation between the effective impact pressure and the effective propulsion pressure to enable the effective impact pressure to tend to the target impact pressure, and ensuring that the effective rock drilling parameters at the drill bit are matched with the rock. It is guaranteed that the effective propelling pressure and impact pressure at the drill bit meet the requirements, and therefore the drilling precision and quality are guaranteed.

The invention relates to the technical field of tunnel construction, and discloses a rapid construction method and system for a lower step with an inverted arch of a horizontal rock stratum large-section tunnel, and the method comprises the steps: constructing a three-dimensional geological modeling system to carry out advanced geological forecast on a tunnel construction region; the three-arm drill jumbo is used for conducting self-positioning, geological self-adaptive intelligent hole arrangement, dynamic optimization of drilling parameters and dynamic allocation of drilling tasks through three-arm cooperative control; calculating the vector deviation between the actual excavation contour and the design contour; marking a preferential injection area based on a three-dimensional laser point cloud technology, and dynamically adjusting an injection track and thickness according to back break data; a multifunctional drilling and grouting integrated trolley is adopted for implementing pipe shed supporting, advanced small guide pipe reinforcement, pre-grouting reinforcement and anchor rod reinforcement; the main mechanical arm assists the trolley in drilling and laser scanning acceptance inspection of the feet-lock bolt; re-spraying to the designed thickness by adopting a wet spraying manipulator; the problems that an existing tunnel lower step inverted arch construction method is low in construction efficiency and large in construction risk are solved.

The invention discloses a multi-mode drilling process multi-dimensional parameter real-time while-drilling monitoring system, belongs to the technical field of while-drilling monitoring, and solves the problems that a monitoring system matched with an existing engineering driller is insufficient in transient feature capture, deficient in data timeliness and diversity, limited in application scene and low in data reliability under a strong vibration working condition. The system comprises a rock drilling subsystem, a hydraulic pump station auxiliary subsystem, a control subsystem and a data collecting and monitoring subsystem. According to the invention, millisecond-level real-time monitoring, data visualization and storage can be carried out on multi-dimensional parameters such as drilling stroke, pressure, flow, frequency, displacement, acceleration and the like in the while-drilling process. The system is high in integration level, quick in response, complete in data and high in adaptability, and reliability, effectiveness, comprehensiveness and timeliness of while-drilling data are remarkably improved.

The invention discloses a construction method applied to underground mine vertical shaft surrounding rock condition improvement. The construction method comprises the steps that a flat working face is cleaned, a temporary water nest is arranged for drainage, the drilling position is projected, and a down-the-hole drill is debugged; rock drilling is conducted according to the designed angle, direction and depth, propelling pressure is adjusted along with the depth, and cleaning and plugging are conducted after hole forming; grouting pipes with holes are used as pipe sheds to be driven into the holes, and are welded into a whole through annular steel bars; single-liquid-slurry and double-liquid-slurry segmented grouting is adopted, and the grouting pressure is controlled; during construction, grout diffusion and stratum deformation are monitored, after surrounding rock consolidation reaches the standard, weak blasting is matched with a small excavator for excavation, and after acceptance inspection is qualified, reinforcing steel bars are bound, formworks are installed, and concrete is poured. Compared with the prior art, the problems of collapse and water gushing of the vertical shaft under the strong weathering and water-rich geology can be solved, and the defects of insufficient supporting strength, grouting uniformity, construction efficiency and long-term stability in the traditional technology are overcome.

The invention discloses a hard rock cutting pick with a double-clamp-spring structure, and belongs to the technical field of cutting picks. A hard rock cutting pick with a double-clamp-spring structure comprises a cutting pick body, the cutting pick body comprises a pick handle and a pick head which are detachably connected, a protruding block protruding outwards is formed on the bottom wall, corresponding to the pick handle, of the pick head, and a plurality of inserting parts extending outwards are formed on the outer wall of the protruding block at equal intervals; a butt joint groove matched with the bottom wall of the tooth head is formed in the top wall of the tooth handle, inserting grooves which are concave inwards and matched with the protruding block and the inserting parts are formed in the bottom wall of the butt joint groove, and the protruding block is used for being matched with the inserting parts to limit the tooth head in the circumferential direction. The cutting pick is provided with the pick handle and the pick head which are detachably connected, when the pick head needs to be replaced due to abrasion or damage, only the pick head part needs to be replaced, the whole cutting pick does not need to be replaced, material waste is reduced, and the production cost and the maintenance cost are reduced.

The invention belongs to the technical field of rock drills, and discloses a rotary impact type hydraulic rock drill. The rock drilling bit group is arranged in one side of the rock drilling machine shell; the rotating mechanism is arranged at the top of the rock drill shell, and the rotating mechanism is located above one side of the rock drill bit set; according to the technical scheme, by arranging the hydraulic mechanism, the cooling and cleaning assembly and the driving assembly, when the hydraulic mechanism is started to make the output end collide with one end of the middle of the rock drilling bit set back and forth, the top of one side of the driving assembly is driven to move up and down back and forth; cold water in one side of the cooling and cleaning assembly can be pumped back and forth into the other side of the cooling and cleaning assembly, and then the cold water can be sprayed out through the other side, so that heat generated by the impact part of the hydraulic mechanism and the rock drilling bit group can be cleaned and cooled; the service life of parts in the rock drill shell is prevented from being influenced by high temperature.

The invention discloses metal mine top climbing type tunneling equipment and a tunneling method, and belongs to the technical field of rock drilling. The tunneling equipment comprises a vehicle body, a rock drilling module and a hydraulic blasting module, the rock drilling module and the hydraulic blasting module are mounted at the front end of the vehicle body, left and right crawling drilling modules are mounted at the front end of the vehicle body, and left and right crawling supporting modules are mounted at the rear end of the vehicle body. Walking along the crawling track is achieved through the crawling drilling module and the crawling supporting module, and the vehicle body is supported and leaves the ground during walking, so that during tunneling, other equipment and vehicles can reach the position near an operation face from the bottom of the vehicle body for operation, and the tunneling efficiency is improved. The device further has the advantages of being stable in supporting, multipurpose and the like.

The medium-length hole mining method under the complex geological condition comprises the following steps that S1, a stope is divided, specifically, the stope is divided into two stages along the inclination direction of an ore body, and bottom columns are not reserved; s2) roadway construction; s3) stoping: taking the cutting raise and the transverse cutting roadway as double free surfaces, and constructing medium-length hole blasting in a retreating manner from the middle to the two ends; s4) drilling and blasting; s5) transporting the ores; and S6) ventilation and dust prevention. The method is suitable for mining inclined ore bodies with thick ore bodies, unstable IV-level surrounding rock stability, extremely unstable V-level local parts and inclination angles of 30-50 degrees. By means of the non-sill-pillar structure and the 25-m stage interval and the through ore removal access road of the outside-vein transportation roadway, 15%-20% of sill pillar resource loss in a traditional method can be eliminated, the ore recovery rate is greatly improved, dead ore resources in a mining area are activated, and the service life of a mine is prolonged.

The invention relates to a harmless treatment test method and device for oil-based rock debris deoiling products, and belongs to the technical field of organic pollutant detection.The harmless treatment test method for the oil-based rock debris deoiling products comprises the following steps that layering multi-point sampling is conducted on treated tailings through a sampling mechanism, and a tailings mixed sample is obtained; pre-treating the tailing mixed sample to obtain a to-be-detected sample, and detecting and analyzing the to-be-detected sample by adopting a gas chromatograph to obtain the residual quantity of petroleum hydrocarbon in the to-be-detected sample. The method has the advantages that an operator can conveniently judge whether the residual amount of petroleum hydrocarbon in the treated tailings meets the preparation requirement or not, and the quality of a sintered brick or baking-free brick finished product is guaranteed.

The present invention discloses a drilling trolley propulsion beam capable of bending and drilling, and a drilling trolley. The drilling trolley propulsion beam capable of bending and drilling comprises a rock drill (4) and a drill rod (6) connected in sequence, one end of the drill rod (6) is provided with a drill bit (601), and the drilling trolley propulsion beam capable of bending and drilling also comprises a bending drilling guide device, the bending drilling guide device comprises a deflection assembly (1) and a telescopic drive assembly (3), the deflection assembly (1) comprises a top-attaching component (101), and the top-attaching component (101) is located behind the drill bit (601). The drilling trolley propulsion beam capable of bending and drilling comprises a bending drilling guide device, which can apply a radial force to the front part of the drill rod in the hole to change the drilling direction, thereby solving the problems of over-excavation and under-excavation of the peripheral contour of the existing tunnel drilling and blasting method and the poor durability of the skimmer drilling tool.

The invention discloses a cutting device for cable bridge production, and particularly relates to the technical field of cable bridge production, the cutting device comprises a workbench, a swing cutting assembly is arranged at the upper end of the workbench, an adjusting assembly is arranged at the front end of the swing cutting assembly, and an alternate swing assembly is arranged at the lower end of the swing cutting assembly; a scratching assembly is arranged at the front end of the alternate swing assembly, a limiting assembly is arranged at the lower end of the swing cutting assembly, and a beveling assembly is arranged on the front side of the upper end of the workbench. Through cooperation of all the assemblies, the cable bridge can sequentially complete a series of operation such as vertical cutting, bottom surface scratching, position limiting and side wall inclined cutting on the two side walls, and the swing cutting assembly, the adjusting assembly, the alternate swing assembly and the scratching assembly can synchronously complete linear cutting and bottom scratching on the side walls of the bridge. And then beveling is conducted through the beveling assembly, the overall cutting time is greatly shortened, and the production efficiency is improved.

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 provides a downward parallel medium-length hole sublevel filling mining method for a low-grade broken ore body, belongs to the technical field of mining, and solves the problems that a traditional mining method is low in mining efficiency and high in cost under complex geological conditions. Downward parallel medium-length holes are adopted in each section for drilling and blasting, efficient stoping is achieved in cooperation with remote control ore removal and supporting equipment, an interbed filling technology is adopted in a goaf to be combined with a reinforcing mesh structure to form an artificial roof, stress and displacement changes of a filling body are monitored in real time through a ground pressure monitoring system, and the stoping sequence and supporting parameters are optimized. According to the method, the efficiency and safety problems of a traditional mining method in low-grade and broken ore deposit and three-under resource mining are solved, large-scale, low-cost, safe and efficient mining is achieved, and the method is suitable for ore body mining under complex geological conditions.

The invention relates to the technical field of mining dust removal devices, in particular to a dust removal device for rock drilling equipment roadway tunneling, which comprises a casing, a filter cartridge, a centrifugal fan and a pulse back flushing unit, the centrifugal fan and the pulse back flushing unit are mounted on the casing, the casing is divided into a suction cavity and a filter cavity by a partition plate, and the filter cartridge is mounted below the partition plate and vertically extends in the filter cavity. A back flushing mechanism capable of lifting in a reciprocating manner is arranged in the filter cartridge and comprises an annular flow guide box and a plurality of nozzles uniformly distributed on the peripheral side of the annular flow guide box. The reverse blowing mechanism is used for performing reverse blowing cleaning compensation on the filter cartridge in a gap between two times of pulse reverse blowing, a composite working mechanism of periodic main pulse and intermittent continuous auxiliary reverse blowing is formed, dust on the surface of the filter cartridge and a shallow layer of filter holes can be removed in real time, the dust removal difficulty of subsequent pulse reverse blowing is reduced, it is ensured that the air permeability of the filter cartridge is stable, and the service life of the filter cartridge is prolonged. And the ash removal capacity is better matched with the dust deposition rate, and the situation that the dust removal efficiency is reduced due to intermittent cleaning deficiency is avoided.

The present invention relates to the technical field of tunnel construction equipment, and more specifically, to a combined boom for tunnel construction. The boom includes a rotary rock drilling device. A first rotary mechanism is mounted on a mechanical arm, enabling the device to rotate horizontally. The mechanical arm is connected to a drilling gripper mechanism via a third rotary mechanism. The drilling gripper mechanism is located at the end of the mechanical arm. A connecting base is connected below the third rotary mechanism. The connecting base and the drilling gripper mechanism are connected to a first pitch cylinder. The purpose of the combined boom is to simultaneously facilitate tunnel arch installation and rock drilling during tunnel construction, thereby enhancing the mechanization of the engineering trolley and improving construction efficiency.

The invention discloses an anti-deflection control method and system of a rock drilling device, a storage medium and equipment. The anti-deflection control method of the rock drilling device comprises the steps that the three-dimensional coordinates of a drilling hole opening and the dip angle and azimuth angle of a drilling arm are obtained; comparing the obtained three-dimensional coordinate of the drilling hole opening and the inclination angle and azimuth angle of the drilling arm with the three-dimensional information of the designed hole position to obtain the deviation value of the position and posture of the drilling arm; when the deviation value of the position and posture of the drill arm exceeds a preset deviation value, adjusting parameters of the drill arm are output; when the deviation value of the drill boom pose does not exceed the preset deviation value, the propelling pressure of a hydraulic system of the rock drilling device and the rotating torque of the rock drilling device during drilling are obtained; in response to sudden change of the obtained propelling pressure and rotating torque, adjusting parameters of the hydraulic system of the rock drilling device are output according to the sudden change direction. Dynamic monitoring and real-time correction of the whole drilling process are achieved, and the problem of drilling deflection is effectively solved.

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 invention discloses a thin vein residual ore partition rock drilling alternate operation one-time blasting stoping method. The method relates to the technical field of ore extraction and comprises the following steps that S1, a stope is arranged, and the stope is divided into a two-step stope; s3, top and bottom columns of the first-step stope are subjected to one-time blasting stoping, and ore removal is completed; s4, before stoping of the second-step stopes, cemented filling is conducted on the first-step stopes on the two sides; s5, one-time blasting stoping is conducted on top and bottom studs of the second-step stope, and filling ore removal is completed; according to the mine common ore pillar recovery scheme, after goaf filling is completed, the intermediate pillars and the top pillars are stoped, the stoping mode is layered stoping, the stoping efficiency is low, the main stoping operation time of the one-time blasting residual ore resource stoping method is rock drilling and ore removal, and the stoping efficiency is remarkably improved; and meanwhile, the worker is located in the vein-following roadway for construction operation, does not enter the stress concentration ore pillar for layered stoping and does not perform bottom operation of the filling body, so that the stoping safety is effectively ensured.

The invention discloses a radial oscillation cutting mechanism. The core structure of the device is composed of a transmission shaft, an eccentric block, an eccentric jumping wheel, an oscillation cutting disc base, an oscillation cutting disc and the like. In the operation process, the motor serves as a power source to drive the shaft to rotate, the shaft rotates to drive the eccentric block to rotate along with the shaft, and then the two eccentric jumping wheels arranged in the 180-degree phase difference mode are promoted to start to move. The two eccentric jumping wheels are matched with the pin in a cam mode, so that the two eccentric jumping wheels move along a unique curve track. Due to the fact that the base of the oscillation cutting disc is tightly and fixedly connected with one eccentric jumping wheel, the unique movement transmission mechanism is achieved, then the oscillation cutting disc is successfully driven to execute hard rock cutting operation, and a solution which is extremely innovative and efficient is provided for hard rock cutting engineering.

The invention belongs to the technical field of steel performance intelligent analysis, and particularly relates to a high-strength and high-toughness rock drilling tool steel performance intelligent analysis method based on machine learning. The method comprises the following steps: firstly, collecting chemical components, process, microstructure images and performance data of rock drilling tool steel; then, a process-component prediction model and a microstructure image prediction model are constructed, and relations between component-process and microstructure characteristics and performance are mined respectively; then, the proportion of each component of the microstructure is obtained by combining finite element simulation with a genetic algorithm; predicting performance by using an XGBoost algorithm, comparing real indexes, and constructing an error feedback mechanism optimization model; and finally, solving an optimal parameter combination meeting a strength-toughness index by means of a particle swarm optimization algorithm. According to the method, multi-source data and multiple intelligent algorithms are fused, the defects of a traditional analysis method are effectively overcome, collaborative optimization of chemical components, the heat treatment process and the microstructure form is achieved, and the analysis precision and the production efficiency are improved.

The invention relates to the technical field of strip mine drilling rock debris, aims at solving the problems that in the prior art, the labor intensity is high when rock debris is manually collected, and the collected rock debris is easily blown away by strong wind, and particularly relates to a strip mine drilling rock debris collecting and shaping device which comprises a collecting device and a shaping device connected with the collecting device. The collecting device comprises a positioning shaft, an annular cover, a spatial position adjusting mechanism, a collecting mechanism and an extruding mechanism; the spatial position adjusting mechanism is used for adjusting the position of the positioning shaft to connect the positioning shaft with the blast hole; the positioning shaft is fixedly connected with an annular cover, the annular cover and the positioning shaft jointly form a chip containing cavity with the top end closed and the bottom end provided with an opening, and an extrusion mechanism connected with the positioning shaft is arranged in the chip containing cavity. The collecting mechanism is rotatably connected to the positioning shaft; the shaping device comprises a mounting plate, a pressurizing assembly, a stirring assembly and a spraying assembly; the pressurizing assembly, the stirring assembly and the spraying assembly are fixedly mounted on the mounting plate; the pressurizing assembly is connected with the stirring assembly which is connected with the spraying assembly.

The invention relates to a metal mine underground mining method, in particular to a small-section flat-bottom ore removal small-stage open-stope method which comprises the following steps: dividing a steeply-inclined extremely-thin to thin ore body with medium stability and above in ore rock mass into a plurality of small stages along the trend, dividing ore blocks in the stages, and dividing the ore blocks into top pillars, intermediate pillars and chambers; the chamber is divided into a plurality of small segments through the segmented drilling roadways; the upper section is ahead of the lower section and sequentially retreats for continuous ore breaking; and the fallen ores are loaded and transported out by mechanical shoveling and loading equipment at the bottom of the stope through an ore removal roadway and a stage transportation roadway. The method has the characteristics of dividing the ore body into a plurality of small stages and dividing the chamber into a plurality of small sections, and has the advantages that personnel do not enter the stope to work, and the retreating type continuous ore caving is highly matched with the mechanical ore removal capacity.

The utility model belongs to the technical field of geological exploration, and particularly relates to a rock debris sampler for geological exploration, which comprises a sampler, guide strips are welded on the outer walls of two sides of the sampler, and a sleeve column is movably sleeved at the bottom of the sampler; four mounting parts are welded on the outer wall of the sleeve column at equal intervals, a bracket is fixedly mounted in an opening of each mounting part, an included angle between each bracket and each mounting part is 45 degrees, and the internal diameter of the sleeve column is larger than that of the sampler. Then the guide strips on the two sides of the sampler are in butt joint with the corresponding group of inner strips, the sampler is started, the spiral blades on the sampler can work on the rock, the sampler is pressed downwards, the sampler can move downwards along the tracks of the two groups of inner strips and the inner strips, and the inner strips and the inner strips are separated from each other. Meanwhile, under the cooperation of the sleeve column and the bracket, the stability of the sampler during movement can be effectively guaranteed, so that the whole rock debris collection work is more convenient and faster.

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.