2357results about "Earth drilling tools" patented technology

Disclosed in the present invention is a coiled tubing drilling downhole system convenient to move and position. The downhole system comprises a base plate, wherein four through slots run through the bottom of the base plate, four universal wheels are provided at the bottom of the base plate, handlebars are fixed to one side of the top of the base plate, a support frame is provided above the base plate, four square tubes are fixed to the support frame, positioning and stabilizing assemblies are respectively provided inside the four square tubes, a traction roller is rotatably connected inside the support frame, and a first electric motor is fixed to one side of the support frame. The present invention relates to the technical field of oil exploration. The coiled tubing drilling downhole system convenient to move and position, by means of providing automatic soil-ramming mechanisms, automatically rams soil and gravel divided to two sides of the mouth of a borehole, and, by means of cooperation and linkage with automatic soil division assemblies, prevents loose soil and gravel around the mouth of the borehole from slipping into the borehole, thereby improving the drilling efficiency.

The invention relates to the technical field of diamond hole drills, and discloses a diamond drilling tool with a chip removal function, the diamond drilling tool comprises a connecting cylinder, a drill bit is arranged at the bottom of the connecting cylinder, a chip removal mechanism is arranged, slurry is injected into a drill hole through a flow channel, the drill bit is cooled through the inrush slurry, and the chip removal function is achieved. The problems that due to the fact that a large amount of heat generated by friction between the drill bit and rock causes rapid temperature rise of the drill bit, thermal damage of diamond particles is caused, the cutting performance of the drill bit is reduced, and the service life of the drill bit is prolonged are solved, and meanwhile, due to the viscosity and fluidity of the slurry, rock debris can be suspended and brought out of holes along with continuous injection of the slurry; in this way, the hole bottom can be kept clean, a good condition is created for continuous drilling of the drill bit, a layer of lubricating mud film is formed between the drill bit and the hole wall, friction resistance between a drilling tool and the hole wall can be reduced, and energy consumption in the drilling process is reduced.

The rock stratum drilling equipment for geological exploration comprises a base fixedly supported on the ground through an external support, one side of the base is fixedly connected with an n-shaped frame, movable grooves are formed in the symmetrical positions of the two sides of the n-shaped frame, and the inner walls of the movable grooves in the two sides are movably connected with movable blocks which do lifting reciprocating motion; a fixed plate is fixedly connected to one side of the movable block, a spline shaft driven by a power mechanism to rotate is connected to the fixed plate in a penetrating and fixed-axis rotating mode, the outer contour of the bottom end of the spline shaft is sleeved with a drill rod conducting lifting reciprocating motion, and a drill bit conducting drilling is fixedly connected to the bottom end of the drill rod. A through hole allowing the drill bit to move for drilling is formed in the position, corresponding to the drill bit, of the base, a knocking mechanism for driving the drill rod to do lifting reciprocating motion is arranged on the fixing plate, the drill rod is moved to smash a rock stratum, and the drilling efficiency is improved.

The invention discloses rock crushing and coring equipment for geotechnical engineering investigation, and belongs to the technical field of drilling equipment. The rock crushing and coring equipment for geotechnical engineering investigation comprises a drilling tool, a sampling barrel and a high-pressure water supply device, and further comprises a triggering part, a coring part and a control part, and the triggering part is arranged at the end, away from a drill bit of the drilling tool, of the sampling barrel; a first sliding groove is formed in the water flow reversing part, the high-pressure water supply device communicates with a water outlet in the drill bit through the water flow reversing part, the water flow reversing part communicates with the first sliding groove, and the water flow reversing part is used for communicating the high-pressure water supply device with the first sliding groove when the triggering part is triggered; one end of the sliding sleeve is hermetically and slidably connected into the first sliding groove; the cut-off part is connected with the other end of the sliding sleeve, and when high-pressure water is introduced into the first sliding groove, the sliding sleeve drives the cut-off part to move into the sampling barrel. According to the rock crushing and coring equipment for geotechnical engineering investigation, the drill bit can be cooled by using high-pressure water, the abrasion of the drill bit is reduced, and a rock core is cut off by using the high-pressure water as power, so that the integrity of the obtained rock core can be ensured.

The invention discloses a three-foot portable multi-angle underwater adsorption anchoring drilling device. The drilling machine feeding component is installed on the drilling machine main body platform in a vertically movable mode, the three-foot supporting component is composed of a main foot and an auxiliary foot, the main foot and the auxiliary foot are installed on the drilling machine main body platform in an angle-adjustable mode, the main foot and the auxiliary foot are each provided with a micro-needle rotational flow suction cup, and after the micro-needle rotational flow suction cups suck the wall face of a to-be-drilled structure, the micro-needle rotational flow suction cups suck the wall face of the to-be-drilled structure. The drilling machine feeding component drills a to-be-drilled structure, the drilling machine feeding component achieves feeding and resetting of the drilling machine through positive and negative rotation of the motor so as to adjust the drilling operation depth, and the three-foot supporting component can change the feeding angle of a drill bit so as to meet the operation requirements of different drilling angles. The multi-angle drilling device can achieve multi-angle drilling operation in the repairing process of surface cracks of dams with different curvatures, meanwhile has the operation capacity in the complex water flow environment, can replace manual operation and improve the operation efficiency, and is easy to carry and store, wide in application range, safe and reliable.

Provided is an adhesion suppressing member that is configured to suppress a work piece from adhering to a work tool of a construction machinery. The adhesion suppressing member is formed in a plate shape and includes, on a front surface thereof, a resin material having a water repellent property. The adhesion suppressing member is installed at a predetermined portion of the work tool such that the front surface forms a part of a surface of the work tool held in contact with the work piece.

The invention relates to the technical field of drilling devices, and discloses a coal mine goaf working face drainage hole drilling device which comprises a base, and a plurality of supporting stand columns are fixedly arranged at the bottom of the base. When the device is used and used for drilling operation, the reaming function can be achieved through overturning of the drilling pieces, the supporting barrel can smoothly enter a hole, slurry, drilling slag and cooling water can be rapidly discharged through the flow guide grooves in the supporting barrel, and the situation that a drill bit is stuck due to too much drilling slag is avoided; according to the drilling tool, the phenomenon that the drilling tool and the supporting barrel are clamped in the drilling process can be avoided, in the drilling process, through the interaction of the clamping groove and the trapezoidal clamping block, the pointed-end inserting rod is inserted into the inner wall of the hole to fix the supporting barrel, the supporting barrel is left in the hole, the hole is effectively prevented from collapsing through supporting at different positions, and meanwhile the drilling tool is convenient to use. In the pulling-out process, friction between the drill rod and the supporting roller drives the cleaning roller brush to rotate, and the outer wall of the drill rod is cleaned.

The invention relates to a drill rod buckle cleaning device and a buckle cleaning method. The drill rod buckle cleaning device comprises a brush head mechanism, an adjusting mechanism and a revolution driving mechanism. The adjusting mechanism is connected with the brush head mechanism and the revolution driving mechanism. The rotating axis of the adjusting mechanism is a revolution axis, and the adjusting mechanism is used for adjusting the axis of the brush head mechanism and the offset of the revolution axis so that the head end of the brush head mechanism can be attached to the threaded face of the male buckle or the female buckle of the drill rod which is coaxially arranged with the revolution axis. The revolution driving mechanism is used for driving the adjusting mechanism and the brush head mechanism with the head end attached to the threaded face of the male buckle or the female buckle of the drill rod to synchronously rotate around the revolution axis, and the brush head mechanism synchronously rotates when rotating around the revolution axis. Based on the arrangement, male buckles and female buckles of drill rods with different diameters can be automatically cleaned, so that the labor intensity is reduced, the buckle cleaning efficiency and quality are improved, the male buckles and the female buckles can be cleaned only by arranging one brush head mechanism, one adjusting mechanism and one revolution driving mechanism, the overall structure is simple, and the size is small.

The invention relates to the technical field of engineering machinery, in particular to a low-speed large-torque energy-saving tunneling rotary table which comprises a drilling barrel, a plurality of protruding blocks are fixedly connected to the inner wall of the drilling barrel, a containing groove extending into the protruding blocks is formed in the outer side of the drilling barrel, the bottom of the containing groove is open, and a drill bit assembly with the adjustable angle is installed in the containing groove; the drill bit assembly comprises a sliding plate slidably connected with the inner wall of the storage groove, an extension block with one end movably extending to the outside of the protruding block is arranged at the bottom of the sliding plate, cutting teeth are fixedly connected to the bottom of the extension block, and a limiting assembly used for limiting the sliding plate is installed in the storage groove. The limiting assembly comprises a plurality of threaded rods fixedly connected with the bottom of the inner side of the containing groove, the threaded rods are sleeved with arc-shaped plates, and the two ends of each arc-shaped plate are provided with round holes corresponding to the threaded rods. The technical problems that according to an existing tunneling drilling disc, it is difficult to adjust the angle of a drill bit to better crush a hard rock stratum, and the replacement frequency and difficulty of the drill bit are reduced are solved.

The utility model discloses a hydraulic rock drill which comprises a machine body composed of a machine base, a cylinder body, a middle body, a gear box, a gear box cover and a machine head which are sequentially connected, a first cavity for containing an impact piston and a second cavity for containing a bit shank are formed in the machine body, and a cooling lubricating cavity communicated with the first cavity and the second cavity is formed in the machine body. An air inlet chamber is formed in the machine base, and an air inlet communicated with the air inlet chamber is formed in the rear end of the machine base. The impact piston is provided with a central channel which is communicated with the air inlet chamber and the cooling and lubricating air chamber; an air passing channel which is communicated with a gap between the bit shank, the rotary assembly and the machine head and a gap between the bit shank and the machine head part is formed in the machine head; cooling and lubricating air introduced into the air inlet chamber enters the cooling and lubricating cavity through the center channel of the impact piston, sequentially passes through the bit shank, the gap between the rotary assembly and the machine head and the air passing channel, enters the gap between the head of the bit shank and the machine head and is blown out, and the situation that the cooling effect is poor due to the fact that air flow is poor after heat exchange is avoided.

The invention relates to the technical field of cast-in-place pile construction, and provides efficient construction equipment for a cast-in-place bored pile and a using method of the efficient construction equipment. The drilling machine body is used as a basic installation component of the whole equipment and is used for installing and assembling all matched use mechanisms and structural parts of the matched use mechanisms; the power head is mounted on one side of the drilling machine body and used as a power source to enable the drill rod to rotate; the rotating assembly is mounted on the drill rod and is used for moving the mounted mechanism and the structural member to which the mechanism belongs; and the smoothing mechanism is mounted on the rotating assembly. The output end of a first hydraulic rod pushes a sliding rod to move, and then a connecting sleeve is driven to move, so that a first connecting block pushes a first connecting rod to move, the first connecting rod pushes a second connecting block to drive a smoothing plate to move, and the smoothing plate drives a first limiting block to slide in a limiting groove; and the flattening plate moves to make contact with the hole wall, the hole wall is flattened during rotation, and then the effect of preventing the hole wall from collapsing is achieved.

The invention discloses a drilling device and method for municipal road engineering detection, the drilling device comprises a rack, a motor and a screw rod, the screw rod is driven by a driver to rotate, the outer surface of the screw rod is rotatably connected with a lifting plate, the top of the lifting plate is slidably connected with a supporting rod, the bottom end of the supporting rod is fixedly connected with a bearing plate, and the bearing plate is fixedly connected with the motor. The bottom of the bearing plate is fixedly connected with the rack, and the position, close to the bearing plate, of the rack is fixedly connected with a cleaning assembly. According to the drilling device and method for municipal road engineering detection, a lifting plate conveniently moves in the vertical direction to drive a motor to move, the situation that a drilling assembly 5 is clamped in a drilled hole and damaged due to deviation during drilling is avoided, a rack is fixed through a locking assembly when a screw rod rotates, and the drilling efficiency is improved. And the situation that the rack is driven to move due to shaking generated by drilling is avoided, then the precision of drilling work is guaranteed, the drilling efficiency of the equipment is further improved, and drilling work is conducted on different positions of the ground.

The invention provides a reverse-circulation large-diameter binding type down-hole hammer reamer bit and a slag discharging method. The reverse-circulation large-diameter binding type down-hole hammer reamer bit specifically comprises a drill bit shroud, an air distribution chamber, a central pipe combination, a down-hole sub hammer and a slag suction opening, wherein the slag suction opening is formed in the bottom of a central pipe and used for sucking crushed rock slag into a drill rod through negative pressure so as to discharge the rock slag. For bedrock large-diameter water-containing stratum reaming drilling, the unique slag suction opening is formed in the bottom of the center pipe, tail gas of the down-the-hole hammer forms entrainment airflow to push liquid in a drill hole to return to the ground surface from the slag suction opening, and the stable continuous reverse circulation slag discharging effect is achieved by means of gas lift water level rising of tail gas pressure of the down-the-hole hammer; and the drilling efficiency of the large-diameter binding type down-the-hole hammer is improved, and the stable and continuous deslagging effect is extremely good in construction application.

The present invention relates to the technical field of pile hole mechanical equipment, and specifically discloses a pile foundation construction device, comprising a drill tube, a locking mechanism, an upper base plate and a lower base plate, the upper base plate being hinged on the lower end of the drill tube, and the lower base plate being rotatably mounted on the lower end surface of the upper base plate, the upper base plate and the lower base plate being respectively provided with a through hole one and a through hole two for feeding into the drill tube, a plurality of telescopic plates one being arranged in the through hole one along the radial direction of the upper base plate, and the plurality of telescopic plates one gradually increase in length from the inside to the outside, the telescopic plates one being slidably mounted on the upper base plate along the circumferential direction of the upper base plate, an elastic member one being arranged between the telescopic plate one and the upper base plate, when the drill tube is full, the upper base plate is reversed, so that the telescopic plate one blocks the through hole two, and when there is a stone in the through hole one, the telescopic plate one will compress the elastic member one after abutting against the stone; the beneficial effects of the present invention are as follows: the influence of the stone on the drilling tube blocking can be reduced, thereby improving the efficiency of pile foundation construction.

The invention discloses an overload protection drill bit tool with an automatic mud drum cleaning function. The overload protection drill bit tool comprises a connector pipeline, a fluid pipeline, a bearing component, a sealing device, a cleaning pressure relief device, a pressure relief pipeline and a drill bit connector. A fluid pipeline is arranged at the bottom of the connector pipeline, the pressure relief pipeline is arranged at the bottom of the fluid pipeline, and the drill bit connector is arranged at the bottom of the pressure relief pipeline. One of the two bearing parts is arranged at the bottom of the fluid pipeline, and the other bearing part is mounted at the upper end of the drill bit connector; the number of the sealing devices is two, and the two sealing devices are arranged on the opposite sides of the two bearing components. The cleaning pressure relief device is arranged between the two sealing devices, and the two bearing components are symmetrically arranged relative to the cleaning pressure relief device. The cleaning pressure relief device can be automatically opened and closed after the drill bit is blocked by a balling drum, the drill bit balling drum is cleaned, automatic rotation can be achieved, and it is guaranteed that cleaning is comprehensive and thorough.

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 present invention relates to a hydraulic rotary drilling machine and a control method thereof, belonging to the technical field of mechanical equipment, including a platform frame, a plurality of cutting head assemblies are arranged at the lower end of the platform frame, a reducer is arranged between the cutting head assembly and the platform frame and is connected to the cutting head assembly by spline shaft nesting transmission, a pair of scraper frames which are distributed in a mirror-symmetrical manner on the left and right and are bolted to the lower end of the platform frame are arranged at the rear end of the cutting head assembly, and a grab bucket assembly which is movably inserted and sleeved with the platform frame is arranged at the upper end of the platform frame. It has the characteristics of compact structure, convenient disassembly, good operation stability and long service life. It solves the problem that a base cannot be built on a mountain. It improves the stability of drilling operation, reduces shaking caused by high-speed operation, and avoids jamming and drill back phenomena.

The utility model provides a split mountain drilling machine which comprises a first module, a second module and a remote gas conveying pipe, and the first module and the second module are arranged in a split mode; the first module comprises a hydraulic submodule and a power head assembly which are connected, the hydraulic submodule is used for conveying hydraulic oil to the power head assembly, and the power head assembly is used for driving a drill rod; the second module comprises an air compressor sub-module, the air compressor sub-module is connected with the first module through a remote air conveying pipe, and the air compressor sub-module is used for remotely conveying compressed air to the power head assembly. Through the arrangement, when drilling operation is carried out, after the first module is carried to a drilling operation point, the second module does not need to be carried to the same position along with the first module, the drilling operation can be smoothly carried out by remotely conveying compressed air to the first module through the second module, and the moving distance of the second module is greatly reduced; and personnel allocation for drilling operation can be reduced, single well consumption is reduced, and the drilling working efficiency is improved.

Disclosed are small model pit launch horizontal direction drills suitable for drilling a substantially horizontal bore hole and laying pipe underground from within a surface dug pit. The devices comprise a stationary frame and a carriage component competent to move forward and back along the frame and drill and retrieve an attached drill stem through an aperture in the frame. The carriage components are configured to allow an operator to straddle the carriage and operate the device from a seated position within the frame component interior.

The invention discloses a self-adaptive downhole rock annular cutting groove stress unloading percussion bit and a drilling method, and belongs to the technical field of petroleum drilling engineering. The self-adaptive downhole rock annular cutting groove stress unloading percussion bit comprises a bit connector, a cutting groove unloading barrel body and a percussion bit body; the upper end of the percussion bit matrix is fixedly connected with the lower end of the bit joint; the upper end of the grooving unloading barrel matrix is in axial sliding fit with the lower end of the bit joint; a bit pressure transmission disc spring is arranged in an annular space between the bottom end face of the drill bit connector and the top end face of the annular step. A plurality of annular grooving unloading stress teeth are arranged at the lower end of the grooving unloading barrel matrix; impact crushing teeth are arranged at the lower end of the impact drill bit matrix; when the drill bit reaches the well bottom, the annular cutting groove unloading stress teeth make contact with the well bottom earlier than the impact crushing teeth. Through the structural arrangement of the drill bit, annular grooving of shaft bottom rock is achieved, shaft bottom stress is unloaded, the efficiency of impact rock breaking is improved by reducing the strength of the rock, and the drilling speed is increased.

The invention relates to the technical field of drilling, in particular to a drilling device with an ultra-long drill rod and a drilling method. The super-long drill rod well drilling device comprises a drill bit and a lengthening rod connected to the tail end of the drill bit, a liquid cavity is formed in the lengthening rod, cooling liquid is contained in the liquid cavity, a flow guide cavity is formed in the drill bit, a variable-diameter rod is arranged at the bottom end of the lengthening rod, a variable-diameter cavity is formed in the top of the flow guide cavity, and the variable-diameter rod is arranged in the variable-diameter cavity. Matched thread structures are arranged between the outer wall of the variable-diameter rod and the cavity wall of the variable-diameter cavity, a through hole is formed in the variable-diameter rod, a sinking cavity is formed in the top end of the through hole and communicated with the bottom end of the liquid cavity, the hole diameter of the sinking cavity is smaller than the cavity diameter of the liquid cavity, and the diameter of the sinking cavity is larger than that of the liquid cavity. The bottom end of the through hole is communicated with the flow guide cavity, a heat collection cavity is formed in the bottom end of the flow guide cavity, the heat collection cavity is filled with an expansion medium, and compared with the prior art, the cooling mode has the advantages that cooling liquid is reasonably applied, and waste is reduced.

The invention discloses a building foundation pit straightway excavation device, and particularly relates to the field of foundation pit straightway excavation, the building foundation pit straightway excavation device comprises a box body, the middle of the box body is fixedly connected with a protection frame, the bottom of the box body is provided with a soil discharge port and a through hole, and the middle of the soil discharge port is fixedly connected with a fixing rod. The position of the next hole is conveniently determined through the arranged laser emitter, the multiple holes are located in the same straight line, the straightway excavation quality is improved, through the arranged protection frame and the protection plate at the bottom of the through hole, soil generated by drilling can be discharged through soil discharging openings in the two sides of the through hole, the situation that the soil is scattered all around or fills the previous hole is avoided, and the construction efficiency is improved. According to the invention, soil among a plurality of holes can be conveniently cleaned, a straight way can be conveniently excavated in a communicated manner, and the soil discharged from the soil discharge port can be pushed to two sides through the arranged waste soil push-away mechanism, so that the soil can be conveniently and manually cleaned and the widths of two sides of the straight way can be conveniently determined through the pushed soil distance, and the working efficiency and the straight way excavation quality are improved.

The invention discloses an urban road construction pavement hole forming device which comprises an equipment frame and a moving frame located in the equipment frame, a pushing mechanism matched with the moving frame is arranged on the equipment frame, a drilling mechanism is arranged in the moving frame, and a cleaning mechanism is arranged on the drilling mechanism. The invention relates to the technical field of road construction. According to the pavement hole forming device for urban road construction, a third hydraulic telescopic rod is controlled to extend to push a protection box to move downwards, the protection box can drive a rotating rod and a spiral drilling piece to move downwards, meanwhile, a motor is controlled to drive the rotating rod to rotate, the rotating rod drives the spiral drilling piece to rotate, and the spiral drilling piece rotates downwards to drill the ground; and soil in the hole enters the soil guide cylinder and overflows upwards, and the overflowed soil falls into the annular cylinder, so that the soil in the hole can be well collected, the soil is effectively prevented from flowing back into the hole, manual cleaning is not needed, and cleaning is convenient.

The utility model discloses a movable grouting drilling machine which comprises a base, a rotating plate is rotationally installed at the top of the base, a rotating mechanism is arranged at the bottom of the rotating plate, and a worm is driven by an output shaft of a driving motor in the rotating mechanism to be meshed with a worm gear fluted disc, so that the rotating plate at the top of a rotating shaft rotates. A supporting column on the rotating plate can rotate left and right, so that the directions of the supporting column on the top of the rotating plate and a drill bit of the grouting drilling machine body on the mounting frame are changed, and the direction of the drill bit of the grouting drilling machine body can be adjusted to a proper direction as required; a first electric hydraulic rod in the hydraulic mechanism is matched with a first fixing sleeve and a second fixing sleeve to finely adjust the mounting frame and the grouting drilling machine body, and the application range of the grouting drilling machine is widened; and through cooperation of the crawler-type moving mechanism and the four sets of positioning pieces, the device is convenient to move, second electric hydraulic rods in the positioning pieces and bottom positioning plates of the second electric hydraulic rods can position the device during use, and the stability of the device is improved.

The invention discloses a novel drill rod system and a using method, and relates to the technical field of constructional engineering, and the novel drill rod system comprises an intelligent lifting clamp, a visual sorting system, an electric control clamping and rotating mechanism and a multi-section thread type dicing drill rod mechanism. The invention relates to the field of constructional engineering. According to the novel drill rod system, through mutual cooperation of the intelligent lifting clamp, the electric control clamping and rotating mechanism, the visual sorting system and the drill rod mechanism, electric control automatic rod extension can be conducted under the low clearance condition, and therefore high-depth and high-quality drilling and pile grouting engineering is achieved. The labor cost and the economic cost are reduced, and the hole forming quality and efficiency are greatly improved.

The invention relates to the technical field of drilling machines, and provides an engineering geological exploration drilling machine which comprises a drilling machine vehicle body, a movable sliding rail, a mounting barrel, a conical drilling barrel, an outer layer protection structure and a bucket-shaped barrel, a hydraulic moving device is arranged between the movable sliding rail and the drilling machine vehicle body, and a drill rod driving device is arranged on the movable sliding rail in a sliding mode. The installation barrel is located on the lower side of the drill rod driving equipment, a moving assembly is arranged between the installation barrel and the drill rod driving equipment, the conical drilling barrel is rotationally connected to the outer wall of the installation barrel, an outer layer protection structure is arranged between the installation barrel and the outer wall of the conical drilling barrel, and the bucket-shaped barrel is arranged at the bottom of the conical drilling barrel. By means of the technical scheme, the problems that in the stratum drilling process of an engineering geological exploration drilling machine in the prior art, when drilled mud is sampled, mixing and doping are likely to occur between mud flowing out in different time periods, and follow-up judgment on discharged mud is affected are solved.

The invention discloses a half coal rock digging and anchoring all-in-one machine, and relates to the technical field of mining devices, the half coal rock digging and anchoring all-in-one machine comprises a pair of rear drill arm parts arranged on a machine body part, and each rear drill arm part comprises a swing oil cylinder III and a rear onboard jumbolter; a recoil force grading detection mechanism is arranged between the swing oil cylinder III and the rear onboard jumbolter; the recoil force grading detection mechanism comprises a recoil force sensor, a first microswitch, a buffer mechanism and a connecting mechanism. By arranging the recoil force grading detection mechanism, recoil force is transmitted to the mounting plate during working, the mounting plate drives the swing oil cylinder plate to act through the connecting mechanism, the connecting plate of the buffer mechanism triggers a first microswitch firstly and then abuts against a recoil force sensor, and grading detection of the recoil force is achieved; the mechanism solves the problem that the angle deflection of the rear onboard jumbolter is caused by the recoil force but is lack of effective grading detection, avoids the risk of compensation failure caused by the fault of a single detection element, and improves the detection reliability of the recoil force.

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 trestle comprises a main bridge, a moving seat and a rock drilling mechanism, the main bridge and the moving seat can move longitudinally, the rock drilling mechanism can swing transversely, the main bridge is provided with a passing part allowing vehicles to pass and a longitudinal moving rail allowing the moving seat to move, the longitudinal moving rail is arranged below or on the side face of the passing part, and the rock drilling mechanism is connected with the moving seat. The excavation method comprises the steps that S1, the main bridge walks in place; s2, the front approach bridge moves forwards to be in lap joint with a to-be-excavated step, a protective cover moves to an avoiding position, a moving seat drives a rock drilling mechanism to move forwards, and the rock drilling mechanism conducts shot hole rock drilling on the to-be-excavated inverted arch end face; s3, the rock drilling mechanism and the front approach bridge retreat to the safety area, and the protective cover moves to the front of the rock drilling mechanism; s4, charging and blasting in each shot hole of the inverted arch, and removing slag; and S5, the steps S2 to S4 are executed repeatedly till the whole construction interval of the inverted arch is excavated. The device has the advantages that the structure is reliable, rock drilling and vehicle passing deslagging can be considered, and the construction progress can be improved.