871results about How to "Improve drilling efficiency" patented technology

The invention discloses a limited micro-space pile foundation construction method based on a multifunctional pile machine, and belongs to the technical field of constructional engineering pile foundations. The limited micro-space pile foundation construction method comprises the following construction steps that S1, a matched drilling tool is selected according to the type of a pile foundation, wherein the type of the pile foundation at least comprises one of a cast-in-situ bored pile, a stirring pile, a high-pressure jet grouting pile and a threaded expanding body steel pile; s2, pile machine equipment is assembled and placed in place, wherein the pile machine equipment comprises a main machine assembly, a drilling rig assembly, a power head assembly and a multi-channel telescopic drilling rod; and S3, pile foundation construction is conducted, specifically, corresponding pile machine equipment and auxiliary equipment are started according to different pile foundation technologies to conduct pile foundation construction. According to the multifunctional pile machine, various pile foundation types can be constructed on one pile machine, the power head with the multi-channel flow divider and the multi-channel telescopic drill rod are matched, so that the pile machine can achieve efficient and environment-friendly pile foundation construction in a limited space, the adaptability and the integration degree of equipment are improved, continuous work in construction is reduced, and the construction efficiency is improved. And the construction efficiency is improved, and various geological conditions and construction requirements can be met.

The invention discloses a borehole pressure monitoring system based on multi-modal information fusion, and particularly relates to the technical field of multi-modal information fusion. Comprising a drilling pressure monitoring area division module, a multi-modal information data acquisition module, a multi-modal information data analysis module, a drilling pressure multi-modal information fusion module, a drilling pressure monitoring and early warning module and a drilling pressure monitoring man-machine interaction module. The drilling pressure monitoring area division module is used for taking drilling operation as a target area and dividing the target area into a plurality of monitoring sub-areas according to equal time periods; according to the method, the pressure-rock type parameter is analyzed to obtain an index to evaluate the influence degree of the rock type on the drilling pressure, and in the multi-modal information fusion process, the fusion algorithm and parameters can be adjusted according to different rock types, so that the method can better adapt to the mechanical properties and drilling pressure response characteristics of different rocks, and the method has good application prospects. And the accuracy and the reliability of drilling pressure monitoring are further improved.

The invention relates to the technical field of mold drilling, in particular to a hardware mold machining drilling machine which comprises a fixing plate and further comprises a replacement device, the replacement device is connected to the lower end of the fixing plate and comprises a cylindrical rod rotationally connected to the lower end of the fixing plate, and an intermittent driving mechanism is connected to the cylindrical rod. A circular plate is mounted at the lower end of the cylindrical rod, and a plurality of drilling mechanisms which are uniformly distributed in the circumferential direction are connected to the circular plate. According to the replacement device, automatic replacement of drill bits required by drilling can be achieved, all the drill bits required to be used need to be installed at the lower ends of the multiple rotating branch chains before drilling, the drill bits do not need to be manually installed and disassembled for multiple times during drilling, the drilling continuity of the hardware mold plate is ensured, and the drilling efficiency is improved. And the drilling efficiency is effectively improved.

The intelligent drill bit comprises a drill bit body, a supporting mechanism, a measuring mechanism and a controller, and the drill bit body comprises a fixing part and a cutting part; the supporting mechanism comprises at least one supporting assembly in one-to-one correspondence with the telescopic holes. The measuring mechanism comprises a torque sensor and at least one vibration sensor in one-to-one correspondence with the supporting rods. The drill bit has the beneficial effects that the rock cutting amount of the drill bit during rotation each time is controlled through the cutting depth, so that the rock cutting amount of single rotation of the drill bit is controlled to be smaller in a harder rock stratum so as to reduce the load of the drill bit, and the rock cutting amount of single rotation of the drill bit is controlled to be larger in a softer rock stratum so as to improve the drilling efficiency; by means of the device, the drilling parameters of the drill bit can be automatically adjusted according to different working conditions, and the drill bit can keep the best drilling effect in various different stratums.

The invention relates to the technical field of geological exploration, and discloses a complex stratum high-precision vertical settlement observation deep hole drilling process which comprises the steps of stratum pretreatment and grouting reinforcement, real-time monitoring of the position and posture of a drill bit and optimization of drilling parameters, intelligent prediction of the drilling parameters through a machine learning algorithm, and deep hole drilling. Real-time monitoring of drilling tool and geological changes and parameter adjustment, fault identification and processing suggestion, drilling quality inspection, wall surface strengthening treatment, and long-term monitoring and maintenance based on the Internet of Things; according to the technology, the drilling precision, efficiency and safety are improved, long-term stability of the drilling quality is ensured, through drill bit positioning and track optimization, the positioning precision is improved, the position and track of the drill bit can be predicted more accurately, errors are reduced, drilling parameters can be adjusted in real time according to the stratum characteristics, and the drilling efficiency is improved; by optimizing the drill hole wall surface strengthening treatment technology and process parameters, the stability and bearing capacity of the drill hole wall surface can be enhanced, and the risks of collapse and deformation of the drill hole are reduced.

The invention relates to the technical field of logging while drilling, and discloses a near-bit stratum detection method, system and device, electronic equipment and a medium, and the method comprises the steps: transmitting a seismic wave to a to-be-detected stratum in front of a drill bit through an underground vibroseis, and receiving a reflected wave signal of the to-be-detected stratum through a geophone; calculating the relative position of the stratum in front of the drill to the drill in real time according to the reflected wave signal; acquiring a first lithologic seismic wave characteristic parameter of the reflected wave signal and a second lithologic seismic wave characteristic parameter of a known typical stratum; matching the first lithologic characteristic wave characteristic parameter with the second lithologic seismic wave characteristic parameter, and determining the formation lithology and the geological structure of the formation to be detected; outputting the stratum information of the to-be-measured stratum including the distance data, the stratum lithology and the geological structure; the seismic waves are not affected by various complex geological environments, the stratum information of the stratum to be measured can be accurately obtained, the drilling risk is reduced, and the drilling efficiency and safety are improved.

The invention relates to the technical field of machining, and discloses drilling equipment with an auxiliary positioning function, which comprises a workbench, a multi-station continuous drilling mechanism, two groups of concentric positioning mechanisms and a synchronous conveying mechanism, a bottom cavity is fixedly formed in the bottom of the workbench, a plurality of bases are fixedly arranged at the bottom of the bottom cavity, the synchronous conveying mechanism is arranged on the left side of the top of the workbench, and the multi-station continuous drilling mechanism is arranged in the middle of the top side of the workbench. The concentric positioning mechanisms are arranged on the two sides of the multi-station continuous drilling mechanism. According to the drilling equipment, the drill bit can be pushed to move towards the outer wall of the pipeline while rotating through movement of the conical barrel, multi-station synchronous drilling is conducted on the pipeline, at the moment, the spring is compressed, elastic force in the opposite direction is generated, and when the movable seat moves in the opposite direction, the drill bit is reset under the action of the spring. The drilling synchronism of the pipeline can be guaranteed, and the drilling efficiency and precision are improved.

The invention discloses a sampling device for engineering geological exploration, and relates to the technical field of engineering geological sampling, the sampling device comprises a bearing frame, a mounting frame arranged on the bearing frame, and a sampling unit arranged on the mounting frame, and the sampling unit is used for sampling and collecting geological soil of different depths. A lifting mechanism matched with the sampling unit is arranged on the mounting frame, the lifting mechanism is used for accurately adjusting the depth during sampling operation, and an adjusting mechanism is arranged on the bearing frame and is used for adjusting the position of the mounting frame; by arranging the sampling unit, the soil layer can be rapidly drilled, the drilling efficiency is improved, the geological exploration time is saved, after the preset depth is reached, an operator adjusts the closed state of the soil sampling disc, the sampling drill bit continues to rotate, soil is guided to enter the interior to be stored, and geological soil sampling at different depths is achieved.

The invention relates to diesel engine accessory casting post-processing equipment, and relates to the field of diesel engine accessory processing, the diesel engine accessory casting post-processing equipment comprises a processing circular truncated cone, the left and right sides of the processing circular truncated cone are provided with fixing supports, and the upper end of the processing circular truncated cone is provided with an inner fixing assembly and an outer fixing assembly. Through cooperation of the inner fixing assembly and the outer fixing assembly, the gear is concentrically fixed inside and outside in multiple directions, the influence of impact force or other external force on the gear in the machining process can be reduced, machining defects caused by gear shaking or deviation are avoided, the drilling precision and consistency are improved, and the machining efficiency is improved. And the position adjusting time of the gear in the drilling machining process can be shortened, so that the production efficiency is improved. According to the gear drilling device, the placing position of the gear can be automatically adjusted and corrected, so that it is ensured that the gear is located at the accurate and appropriate drilling position, time and energy consumed for manually adjusting the position of the gear are reduced, and the drilling efficiency is further improved on the premise that the drilling precision and the drilling quality are ensured.

The invention relates to the technical field of drilling tool attitude dynamic measurement, and discloses a dynamic measurement method and system for attitude parameters of a rotary steering tool, and the method comprises the steps: obtaining a triaxial angular rate, a triaxial earth gravitational field component and a triaxial earth magnetic field component of the rotary steering tool in real time; determining an attitude angle priori estimated value according to the triaxial angular rate; determining an attitude angle posterior observation value according to the three-axis earth gravitational field component and the three-axis earth magnetic field component; fusing the attitude angle priori estimation value and the attitude angle posteriori observation value through iterative extended Kalman filtering to obtain a posteriori optimal attitude angle estimation result; and calculating attitude parameters according to a posterior optimal attitude angle estimation result. According to the method, adaptive fusion is carried out on the dynamic observed quantities measured by the three-axis gyroscope, the three-axis accelerometer and the three-axis magnetometer through the iterative extended Kalman filter, so that noise interference of the external environment, such as high rotating speed, strong vibration and magnetic anomaly, in the dynamic measurement process is eliminated, and the control and measurement precision of the rotary steering tool is improved.

The invention belongs to the technical field of cutting beds, and particularly relates to an integral opening and closing structure of a direct-drive type punching drill, which comprises a rack, the end part of an air cylinder fixing seat is rotatably connected to the rack, a locking mechanism is arranged between the air cylinder fixing seat and the rack, an air cylinder and a guide sleeve are arranged above the air cylinder fixing seat, and a punching drill assembly comprises a motor fixing plate, a hollow motor is arranged on the motor fixing plate, a hollow drill is connected to the lower end of a hollow rotating shaft of the hollow motor, the ejector rod penetrates through the hollow rotating shaft and extends into the hollow drill, and during normal punching work, the locking mechanism locks the air cylinder fixing base and the rack, and the air cylinder fixing base is fixed to the rack; when replacement and maintenance are needed, the locking mechanism is unlocked, and the punching drill assembly can be opened towards the side away from the rack. When replacement and maintenance are needed, enough operation space is reserved between the punching drill assembly and the cutterhead, an operator can operate flexibly, and the operator can replace a cut-off knife and a drill bit conveniently; and the structure is compact, interference with a cutterhead located below the rack is avoided, and the device is suitable for the automatic cutting bed.

The invention provides fuselage skin drilling equipment, and relates to a skin drilling process. The number of the supporting rods is two, the supporting rods rotate around the rotating shaft, the distance between the supporting rods and the rotating shaft is adjustable and equal, and the supporting rods rotate around the center shafts of the supporting rods. The number of the lower pressing rods is two, the lower pressing rods and the supporting rods are arranged in a spaced mode, the distance between the lower pressing rods and the supporting rods is adjustable, the lower pressing rods rotate around the center shafts of the supporting rods, the lower pressing rods move and rotate along with the supporting rods, and the lower pressing rods rotate around the center shafts of the lower pressing rods; the two limiting plates are arranged between the supporting rods, move and rotate along with the supporting rods, and move in the length direction of the bottom plate; the drilling machine moves in the length direction of the bottom plate; the drilling die is movably arranged between the bottom plate and the drilling machine in the height direction of the bottom plate and moves in the length direction of the bottom plate. The drilling efficiency and the drilling positioning accuracy can be improved, skin deformation caused during drilling is avoided, and the drilling device can be suitable for fuselage skins of various different curvatures and has high practicability.

The invention relates to the technical field of rock drilling equipment, in particular to mine rock blasting drilling equipment and a blasting method. The equipment comprises a drill rod, a sliding mechanism and a driving mechanism, the middle of the drill rod is provided with an airflow channel, and the front end is connected with a pneumatic impactor and an impact drill bit; the sliding mechanism comprises a sliding rail, a sliding seat and a pushing mechanism; and the driving mechanism realizes rotation of the drill rod through the power device, the base and the positioning sleeve. Particularly, the pre-pressing buffering device can provide compressed air for the drill rod and provide elastic thrust, and it is guaranteed that the drill rod works stably. In addition, the transmission efficiency is improved through the meshing design of the transmission part and the abutting part of the drill rod, meanwhile, a multi-stage buffering structure is arranged, and the service life of equipment is effectively prolonged. The technical effects that the drilling efficiency is improved, the energy consumption is reduced, and the equipment reliability is enhanced are achieved.

The utility model discloses an extrusion die machining drilling device, which belongs to the technical field of die drilling and comprises a support frame, an air cylinder is fixedly connected to the center of the bottom surface of the support frame, and the output end of the air cylinder penetrates through the support frame and is fixedly connected with a support disc. A guide rail is fixedly connected to the center of the top face of the supporting frame, the position, close to the outer side, of the guide rail is sleeved with a drilling machine, the side edge of the supporting disc is fixedly connected with a set of ejector blocks, a pressed block is arranged over the ejector blocks, and supporting rods are fixedly connected to the two sides of the pressed block. The multiple clamps can be synchronously adjusted, fixing and dismounting of the mold are facilitated, the drilling efficiency is improved, the adjusting assembly is arranged, the distance between the multiple clamps can be adjusted so as to adapt to molds of different specifications, and the use range of the device is widened.

The invention relates to the technical field of aluminum alloy machining. The environment-friendly aluminum alloy machining equipment comprises a machining table, a movable L-shaped frame is arranged on the machining table, a driving assembly is arranged on the L-shaped frame, a drilling machine used for machining is arranged on the driving assembly, a linkage assembly is arranged at the side end of the driving assembly, and a control device is arranged on the linkage assembly. A cleaning assembly is arranged on the control device, a collecting barrel is arranged under the drilling machine and located on the L-shaped frame, a clamping machine used for clamping materials is arranged at the side end of the L-shaped frame, and the control device comprises a shifting assembly and a changing assembly. Through work of the driving assembly and the control device, the chipping scattering area can be limited, meanwhile, chippings are cleaned after punching is completed, and the safety and the punching efficiency are greatly improved.

The invention discloses rock core drilling sampling equipment for geological disaster investigation, and relates to the technical field of sampling, and the rock core drilling sampling equipment comprises a composite mechanism. According to the rock core drilling and sampling equipment for geological disaster investigation, through the design of a composite mechanism, the motor is connected with the butt joint block, and the drill rod is inserted into the inner side of the butt joint block, so that drilling and sampling are conducted on rocks, in the drilling process, the movable frame slides on the outer side of the sliding column so as to ascend and descend, and therefore the work requirement is met; a drill bit mechanism is arranged on the outer side of the drill rod, large rocks are crushed through the drill bit mechanism in the drilling process, meanwhile, rock blocks are guided to enter the inner side of the drill rod, so that a sample is taken out when the movable frame body is lifted subsequently, subsequent treatment is facilitated, and after sampling is finished, the drill bit mechanism is used for crushing the large rocks and guiding the rock blocks to enter the drill rod. When the sample is taken out from the inner side of the drill rod, the sample is taken out more cumbersomely and difficultly, the pushing and pressing mechanism is pressed by the electric push rod, so that the effect of discharging the sample is achieved, and normal operation of equipment is kept.

The invention provides a lubricant with a modified silicon carbide particle structure coated with a resin material for a drilling fluid as well as a preparation method and application of the lubricant, and belongs to the technical field of lubricants for oil field drilling fluids. The preparation method of the lubricant comprises the following steps: adding pretreated nano SiC particles, hydroxyethyl acrylate, dodecyl acrylate and a silane coupling agent into base oil, then adding a chain transfer agent, stirring, and then adding an initiator for reaction; after the reaction is finished, filtering, washing and drying to obtain modified nano SiC particles; and adding the modified nano SiC particles into the fluorocarbon resin solution, heating for reaction, drying and grinding to obtain the fluorocarbon resin. The invention develops a novel efficient lubricant material for the drilling fluid, and the lubricant material not only can greatly reduce the flow resistance of the drilling fluid and the friction resistance coefficient of a filter cake and slow down the wear of a drilling tool, but also has excellent wear resistance and corrosion resistance, and can effectively improve the drilling efficiency and prolong the service life of a drill bit.

The invention relates to the technical field related to drilling machines, in particular to a mining drilling machine and a drilling rod assembling and disassembling method. Comprising a lifting frame and a drill rod box, a plurality of containing grooves are formed in the drill rod box, a clamping unit is arranged, the clamping unit comprises a transverse moving assembly, a lifting assembly and a transfer manipulator, the transverse moving assembly and the lifting assembly drive the transfer manipulator to move in the transverse direction and the vertical direction correspondingly, and the vertical projection of the transfer manipulator is located in the drill rod box; the transfer manipulator is used for clamping the drill rod and can rotate; the lifting frame comprises a lifting sleeve, and a through hole allowing a drill rod to penetrate through is formed in the lifting sleeve. An overturning mechanical arm is arranged on the side, away from the transfer mechanical arm, of the lifting frame, the clamping center of the overturning mechanical arm is opposite to the through hole, and the overturning mechanical arm is used for driving the drill rod to rotate to the coaxial line of the driving drill rod. According to the mining drilling machine, the width of the drilling machine can be reduced.

The utility model discloses a ferrous metal smelting calendered product drilling device which comprises a mounting plate, the lower end of the mounting plate is fixedly connected with a connecting frame, one side of the connecting frame is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with a worm, the bottom of the mounting plate is connected with a worm gear, and the worm gear is fixedly connected with a worm shaft of the worm gear. A rotating table is fixedly connected to the upper end of the worm wheel, placing plates are fixedly connected to the four sides of the rotating table, vertical plates are symmetrically arranged at the upper ends of the placing plates, threaded sleeves are arranged in the vertical plates, threaded rods are in threaded connection with the interiors of the threaded sleeves, and bearings are fixedly connected to one sides of the threaded rods; and one side of the bearing is fixedly connected with a clamping block. The first motor, the worm and the worm gear are arranged, the rotating table and the containing plate are driven to rotate, then the metal rolled products are driven to rotate, after drilling of one metal rolled product is completed, the other metal rolled product can rotate to the position below the drill bit to be drilled, and the drilling efficiency is high.

The invention discloses an anti-deviation structure for mechanical drilling, and particularly relates to the technical field of machining, the anti-deviation structure comprises a supporting frame and a fixing frame, limiting grooves are formed in the left side and the right side in the supporting frame, a connecting plate is fixedly connected to the top of the fixing frame, and an air cylinder is fixedly connected to the top of the connecting plate. By integrating the high-precision laser sensor, the position of the drill bit can be monitored and adjusted in real time, and it is ensured that each time of drilling can meet the preset precision requirement. The positioning of the drill bit is more accurate, the deviation problem of the drill bit is reduced, and the drill bit can be easily adjusted at multiple angles and multiple directions so as to meet the drilling requirements of different materials, different thicknesses and different angles. According to the device, the use range of the device is enlarged, the drill bit and the motor can be effectively cooled through the arrangement of the cooling box and the pressing spray head, abrasion caused by high-temperature operation is reduced, and therefore the service life of the drill bit is remarkably prolonged, and the maintenance cost and the downtime are reduced.

The tool comprises an outer pipe, a throttling sleeve, a touch rod, a driving sleeve and a drill bit, a plurality of cutter blocks are arranged in the side wall of the lower portion of the outer pipe, the throttling sleeve is arranged in the outer pipe and can move up and down, the touch rod is connected to the bottom of the throttling sleeve, and the driving sleeve is arranged in the outer pipe. A plurality of pushing blocks are arranged on the outer wall of the driving sleeve in the circumferential direction at intervals. The throttling sleeve can move downwards by a preset distance when the displacement of liquid injected into the throttling sleeve reaches a preset value, and drives the touch rod to move downwards to be inserted into the driving sleeve to generate throttling, so that the liquid pushes the driving sleeve to move downwards to a preset position, the push block pushes the corresponding cutter block outwards, and the cutter block is opened outwards. According to the tool and the method, an existing polished drill rod can be replaced for cement injection for leaking stoppage, a roller bit can also be replaced for cement plug drilling, continuous multiple cement leaking stoppage operation without pulling out of a hole is achieved, meanwhile, after plug drilling is completed, the normal drilling capacity is achieved, the number of times of pulling out of the hole is reduced, and the leaking stoppage operation period is greatly shortened.

The invention provides a high-pressure gas continuous circulation device for coal mine underground directional hole drilling and an operation method. The device comprises an air compressor, a drilling machine power device, an air supply device, a drill rod clamping device, a high-pressure gas circulation device, a drill rod, a strong blowing short section, an air screw motor and a drill bit. Wherein the front connector of the strong blowing short section can extend out relative to the rear connector and expose the spraying hole, and compressed air is sprayed out from the spraying hole in the front connector, so that the slag and water discharging capability is enhanced. In the drilling process, when a previous drill rod completes drilling and a new drill rod needs to be connected, high-pressure gas circulation is kept through the high-pressure gas circulation device, disturbance to the hole wall is reduced, air supply, slag and water discharging are continuously maintained, the risks of drill jamming and air compressor building are reduced, the time for additionally connecting the drill rod to rebuild pressure is shortened, and the drilling efficiency is improved.

The invention provides a drilling machine posture adjusting device and a mining drilling machine. The drilling machine posture adjusting device comprises a central controller, an inclination angle detector, a height detector, an azimuth angle detector, a bearing frame, a base frame, a lifting adjusting assembly, an inclination angle adjusting assembly and an azimuth angle adjusting assembly. The central controller corrects the inclination angle of the drill bit to a set value by controlling the inclination angle adjusting assembly to work; when the height detector detects that the height of the drill bit deviates from a set value, the central controller corrects the height of the drill bit to the set value by controlling the lifting adjusting assembly to work; when the azimuth angle detector detects that the azimuth angle deviates from a set value, the central controller corrects the azimuth angle to the set value by controlling the azimuth angle adjusting assembly to work; according to the method, the drilling efficiency is improved, the drilling precision is guaranteed, the overall drilling construction time is effectively shortened, and efficient construction operation under a mine is facilitated.

The utility model relates to the technical field of building thermal insulation outer wall punching, in particular to a building thermal insulation outer wall precise punching device which comprises a tooth frame, a fixing disc is fixedly installed at one end of the tooth frame, a rotating shaft is rotatably installed on one side of the fixing disc, and an adjusting disc is rotatably installed at the other end of the rotating shaft. A plurality of mounting openings are formed in one side of the fixed disc, extrusion assemblies are slidably mounted in the mounting openings, and a mounting plate is fixedly mounted on one side of the adjusting disc; according to the utility model, the fixing plates are diagonally and fixedly mounted in the specified area of the thermal insulation outer wall to be punched, and after the fixing is completed, the splicing blocks are gradually close to and inserted into the splicing groove blocks to lock the four positioning claws, so that the splicing blocks and the splicing groove blocks are fixed, and the tooth frame is fixedly mounted on the fixing plates; and the situation that a plurality of nuts need to be used for connection and fixation when a large-mass device is lifted is avoided, and the installation cost and time of the device are saved.

The invention provides a construction drilling platform. The construction drilling platform comprises a movable base, a supporting mechanism with the height adjustable, a drilling motor, a drilling rod, a protection mechanism and a stabilizing mechanism. A penetrating opening is formed in the base; the supporting mechanism is arranged on the base, the drilling motor is arranged on the supporting mechanism and connected with the drilling rod, the drilling rod movably penetrates through the penetrating opening, and the supporting mechanism adjusts the height of the supporting mechanism to drive the drilling rod to drill downwards; the base can be transversely adjusted and longitudinally adjusted to adjust the position of the drill rod; the protection mechanism is arranged at the penetrating opening so as to block broken stones in the drilling process. The stabilizing mechanism is arranged on the base to improve the stability of the base. According to the drilling device, the base can be transversely adjusted and can be longitudinally adjusted to adjust the position of the drilling rod, accurate drilling is achieved, the protection mechanism blocks broken stones splashing in the drilling process, the safety in the drilling process is improved, the stability in the drilling process is improved through the stabilizing mechanism, manual drilling is not needed, and the drilling efficiency is improved.

The utility model relates to the technical field of emulsion drilling machines, and provides a movable frame column type emulsion drilling machine for a coal mine, which comprises a bottom plate, vertical rods are fixedly connected to four corners of the top of the bottom plate, and telescopic rods are movably sleeved in the vertical rods; and the bottom of the fixing plate is fixedly connected with the top of the telescopic rod, and a rotating rod is movably connected into the middle of the fixing plate in a sleeved mode. Through the arrangement of the rotating rod, the rotating plate, the sleeve rod, the first round rod and the first rotating rod, when the first pneumatic cylinder starts to operate, the sleeve rod horizontally moves leftwards, the first round rod rotates under the limiting effect of the sleeve rod, and therefore the first rotating rod drives the rotating rod to rotate, and then the rotating plate rotates; and finally, the drilling angle of the drill bit is changed, the purpose of adjusting the drilling angle is achieved, the stability in the drilling operation process is guaranteed, and the drilling efficiency is improved.

The utility model relates to the field of machining, in particular to a clamping device for part machining. A clamping device for part machining comprises a workbench, a supporting frame, a hydraulic cylinder, a clamping mechanism, an adjusting mechanism and the like, the supporting frame is arranged on the left side of the top of the workbench, the hydraulic cylinder is installed on the supporting frame, the clamping mechanism used for clamping and fixing a part is arranged on the workbench, and the adjusting mechanism used for adjusting the punching position of the part is arranged in the workbench. A clamping mechanism and an adjusting mechanism are additionally arranged, a threaded rod on the adjusting mechanism is controlled to rotate so that an adjusting block, a first spring and a clamping block on the clamping mechanism can move in the direction close to a part, then a motor is controlled to work to drive a rotating disc, a connecting block and a containing disc to rotate, and therefore the part on the containing disc is driven to rotate; in this way, punching operation can be conducted on parts without manual holding, the punching position of the parts can be adjusted, the working difficulty of punching operation is lowered, and the punching efficiency is improved.

The invention relates to the field of contact tube machining equipment, in particular to contact tube punching equipment which comprises a rack. A feeding mechanism, a plurality of main shaft clamping mechanisms used for clamping bars and driving the bars to rotate and a punching mechanism are arranged on the machine frame. The main shaft clamping mechanism comprises a pneumatic chuck; the feeding mechanism is used for conveying bars to each pneumatic chuck; one end, for clamping the bar, of the pneumatic chuck is a machining end; the punching mechanism comprises a plurality of punching devices fixedly arranged on the linear sliding table. The rack is further provided with a center pointing mechanism used for pointing the center and a discharging mechanism. The center pointing mechanism is arranged on the linear sliding table and used for pointing the centers of the multiple bars on the pneumatic chuck at the same time. The discharging mechanism is used for bar positioning and receiving of the machining end of the pneumatic chuck and collection and sweeping of machined workpieces. The feeding mechanism ejects the machined workpieces at the machining end of the pneumatic chuck down while conveying the bars. The automatic punching machine is high in automation degree and very ideal in punching efficiency, centrality and quality.

A drill rod stress wave reduction device belongs to the technical field of down-the-hole hammer drilling tools and comprises an upper connector, a semicircular clamp, a spline housing, a spline shaft and a gasket assembly. Wherein the gasket assembly is formed by tightly stacking at least two layers of gaskets, each gasket is made of two or two materials with different wave impedances, the wave impedances of any two adjacent gaskets are different, when stress waves are transmitted to the wave clipping device from the impactor at the lower end, the stress waves can sequentially pass through interfaces with different material wave impedances, and the wave clipping effect is achieved. Incident stress waves can be reflected and transmitted on an interface, and the stress wave peak value and stress wave energy finally transmitted to the upper drill rod are greatly reduced. The stress wave reduction protection device is simple in structure, convenient to install and low in manufacturing cost, the service life of the drill rod is prolonged, the tripping time is shortened, and the drilling efficiency is effectively improved.

The utility model relates to the technical field of exploration crawler drilling machines, and discloses a drilling machine fixing device for an exploration crawler drilling machine, which comprises a crawler drilling machine body, a fixing frame is arranged outside the crawler drilling machine body, a fixing plate is fixedly connected inside the fixing frame, and a limiting sleeve is fixedly connected outside the fixing plate. The limiting bolts are rotated to drive the balls to move, the balls make contact with the outer surface of the drill rod, and the limiting nuts are used for fixing the limiting bolts, so that the drill rod is limited, the drill rod is prevented from deviating in the working process, operation is easy and fast, practicability is high, the upper connector is driven by the oil cylinder to move, and the service life of the drill rod is prolonged. The upper connector drives the second rotating shaft to rotate, the second rotating shaft drives the fixing base to move, the fixing base drives the fixing frame to rotate, the fixing frame drives the fixing block to rotate outside the third rotating shaft, meanwhile, the fixing frame drives the drill rod to rotate, the operation angle is changed, and adaptability is improved.