20results about How to "Drilling smoothly" patented technology

The utility model relates to the technical field of drilling fixtures, in particular to a positioning fixture for drilling of a thin-walled cylinder, which comprises a sealing jacking component and an arc-shaped supporting sheet. The thin-walled cylinder is placed on the arc-shaped supporting piece, the thin-walled cylinder is wrapped through the arc-shaped supporting piece, so that the thin-walled cylinder is supported, overall deformation caused by extrusion of a drill bit is prevented, better drilling can be achieved, the end of the thin-walled cylinder is plugged through the sealing and jacking part, and the drilling efficiency is improved. According to the thin-wall cylinder part, a closed cavity is formed in the thin-wall cylinder part, then a certain medium is injected into the closed cavity formed by the thin-wall cylinder part through an external energy charging device, the pressure in the cavity is increased, and the thin-wall cylinder part is supported in the drilling process; therefore, local supporting deformation is not prone to being generated, and then the drilling quality of the thin-wall cylinder part is improved.

The invention provides a quality detection device for constructional engineering management, and belongs to the technical field of civil engineering quality inspection.The quality detection device for constructional engineering management comprises a supporting plate, a motor frame and a double-spliced cylinder, two driving rollers are arranged on the surface of a circular inner ring, and a knocking block is movably connected to the end of a telescopic shaft; the lower surface of the circular plate is fixedly connected with a corrugated pipe; one side of the bottom of the corrugated pipe is connected with a spray pipe; the knocking block knocks the drill bit, the impact force of the drill bit is enhanced, water in the water tank is continuously sprayed out through the spraying pipe, powder residues in holes are washed away, powder residues and dust are prevented from splashing, a drawing test is conducted on a building through the upward force of the drill bit, then the internal strength of the building is judged, and through observation of scale marks on transparent glass, the building can be accurately measured. Whether the liquid levels of the two water tanks are in the same scale value is judged, the drill bit has knocking force on the surface of the building, and whether the surface hardness of the building reaches the standard or not and whether peeling or fragile phenomena exist or not are judged.

The invention relates to the technical field of tunnel advanced forecasting, in particular to a TSP drilling path stabilizing and fast arranging device which comprises a drill bit and a drill rod which are integrally connected, the drill rod is detachably sleeved with an outer sleeve, the outer sleeve is at least provided with two sets of sliding grooves parallel to a pipe shaft, and the two sets of sliding grooves are communicated with the drill bit. And a transmission assembly used for bringing out soil is arranged on the sliding groove, the drill rod is fixedly sleeved with a first bevel gear and movably sleeved with a mounting lantern ring, the first bevel gear rotates along with the drill rod, and the mounting lantern ring is used for enabling the drill rod and the transmission assembly to be in transmission connection. The detachable outer sleeve is arranged outside the drill rod in a matched mode, and the sliding groove and the transmission assembly are arranged, so that soil or chippings can be smoothly discharged in the soil breaking operation process of the drill rod, and hole channel collapse caused by soil loosening or rock mass breaking in the drilling process can be avoided; the steps of repeated measurement and adjustment in traditional drilling are reduced, and tedious operation of repeated drilling and casing placement is avoided.

The invention relates to the technical field of shield construction, and particularly discloses a shield launching end reinforcing structure and method. The structure comprises a tunnel portal steel ring, an underground diaphragm wall, a first reinforcing area, a second reinforcing area and a third reinforcing area which are sequentially arranged in the advancing direction of the shield tunneling machine. The third reinforcing area is located in the advancing direction of the shield tunneling machine, and the second reinforcing area is located above the third reinforcing area. The first reinforcing area is located among the second reinforcing area, the third reinforcing area and the underground diaphragm wall; the tunnel portal steel ring is located on the underground diaphragm wall. The soil layer is reasonably reinforced in a layered mode, materials can be effectively saved, reinforcing resources are reasonably distributed, waste is avoided, and meanwhile it is guaranteed that the reinforcing effect is optimal. The method comprises the steps that S1, the stirring piles are reinforced; s2, the high-pressure jet grouting piles are reinforced; the construction period can be effectively shortened, the construction efficiency is improved, meanwhile, few materials and equipment are needed, and therefore the overall cost is low; the drilling method comprises the steps that S1, the starting end is reinforced; s2, adjusting drilling parameters of the shield tunneling machine; and smooth drilling of the shield tunneling machine can be ensured.

The invention discloses a directional drilling hole-forming device, and relates to the technical field of drilling tools, the directional drilling hole-forming device mainly comprises a drill bit, a rock breaking head and an elastic piece, the drill bit is connected with a driving device through a connecting piece for drilling, the rock breaking head is slidably arranged in the drill bit and can extend out of the drill bit, and the elastic piece is arranged at the side part of the rock breaking head; one end of the elastic piece is fixedly connected with the side part of the rock breaking head, and the other end is fixedly connected to the inner wall of one end of the drill far away from the driving device. The device can adapt to stratums with different hardness.

The application relates to the technical field of soil pollution treatment, and discloses soil pollution control and treatment equipment for piling engineering, which comprises a vehicle body, and a hydraulic cylinder fixed end is hingedly installed on the vehicle body. The soil pollution control and treatment equipment for piling engineering is provided with a treatment assembly, an asynchronous motor and a threaded rod, so that the moving frame can move axially; the asynchronous motor, a rotating shaft and a transmission part are used to make the drill rod rotate in the bracket to drill and pile; a medicine bucket, a water pump, an elbow and a stop electromagnetic valve are used to make the medicine enter the inside of the drill rod through a hose, the elbow, a cavity and a through hole, and then sprayed into the soil at the drilling point through the small-head-end opening of the conical cover, so that the pollutants in the soil can be degraded, converted and absorbed; the soil pollution control and treatment can be better carried out in the piling process; the rotating rod, the rotating drum and the self weight of the medicine are used to make the medicine bucket driven by the rectangular plate always keep in a vertical state, so that the medicine is prevented from leaking.

The present invention relates to a crawler-type slope cone drilling rig, which relates to the technical field of dam reinforcement drilling, and solves the problem that the drill rod is obliquely drilled, the force is uneven, the drill bit is difficult to drill, and the drilling efficiency is low. The crawler chassis includes a crawler chassis, a rotating platform is swingably provided on the crawler chassis, a control box is fixed on one side of the rotating platform, and a drill rod is lifted and lowered in the control box. The present invention swings the drill rod to a vertical state by swinging the control box and the rotating platform to achieve drilling in the vertical direction. The drilling process is smoother, and the drilled grouting hole is more stable, which effectively solves the problem of drilling difficulty caused by oblique drilling in the prior art, and has high work efficiency.

The invention relates to the field of pile foundation drilling, in particular to an energy-saving highway bridge pile foundation water drill hole forming device which comprises a drill rod adjusting mechanism, the drill rod adjusting mechanism comprises a guide rail and further comprises a drill rod arranged on one side of the guide rail and used for drilling a pile foundation, and a barrel is welded to the lower portion of the drill rod; an adjusting assembly used for adjusting the diameter of a pile foundation hole, a positioning assembly arranged above the barrel and used for conducting auxiliary positioning on the adjusting assembly and a driving part arranged above the drill rod are arranged in the barrel, steel plates are arranged on the two sides of the barrel, and an adjusting auxiliary mechanism is arranged on the side, close to the steel plates, in the barrel. The wedge-shaped block can push the inclined face of the steel plate when moving upwards, then the position of the steel plate in the first containing groove is adjusted, the extending length of the steel plate is adjusted, the requirements of pile foundation holes with different diameters are met, and the conditions that a large-diameter drill bit is replaced, and the construction cost is increased are avoided; and a pile foundation hole larger than the drill bit in diameter can be conveniently drilled.

The application discloses a self-centering rotary blowout preventer for tunnel surrounding rock drilling construction and relates to the technical field of tunnel drilling construction. The self-centering rotary blowout preventer comprises a fixing assembly and a rotating assembly. The fixing assembly comprises a fixing pipe, a discharge pipe and a sleeve. One end of the sleeve is rotatably arranged in one end of the fixing pipe. The rotating assembly comprises a coaxially arranged connecting disc and a rubber sleeve. The large-diameter end of the rubber sleeve is fixedly connected with one end of the connecting disc. One end of a drill rod is connected with a drill bit after sequentially penetrating through the connecting disc and the rubber sleeve. The connecting disc is threadedly connected with the sleeve. The first sealing ring is arranged between the sleeve and the fixing pipe. The second sealing ring is arranged between the rubber sleeve and the sleeve. The sliding sealing effect between the rubber sleeve and the drill rod can effectively prevent underground water from being sprayed outwards along the axial direction of the drill hole during the whole drilling process. The fixing assembly further comprises a centering mechanism which constitutes a closed hydraulic system. The centering mechanism can realize the self-centering of the front end of the drill rod when the fixing assembly and the rotating assembly are connected, thereby ensuring the drilling quality.

The invention discloses a gas-liquid dual-medium directional drilling system for a broken soft coal seam through a geological anomaly, comprising a central drilling tool, a power source system and a hole protection device, wherein the central drilling tool comprises a directional drill bit, a gas-liquid dual-purpose screw motor, a lower non-magnetic drill rod, an upper non-magnetic drill rod and a spiral drill rod connected in sequence; a wireless electromagnetic wave measurement while drilling short section is arranged in the side wall of the lower non-magnetic drill rod, and the rear end of the spiral drill rod is connected to a gas-liquid dual-purpose device; the power source system comprises a nitrogen generator, a mud pump truck, a high-pressure pipeline and a gas-liquid conversion device, and the nitrogen generator and the mud pump truck are both connected to the gas-liquid dual-purpose device through a high-pressure pipeline; the hole protection device comprises a sleeve milling impact sealing drill bit and a hole protection pipe. The invention utilizes two power sources to drive the screw motor and then drive the directional drill bit to efficiently break rocks. When drilling into the geological anomaly, clean water is used as the power source. The construction of directional long holes in the broken soft coal seam through the geological anomaly is realized, safe and efficient drilling is achieved, the amount of drilling construction is reduced, and the effect of gas extraction from the drilling is improved.

The present application relates to the field of metal combination processing, and discloses a cast iron casting drilling and polishing integrated combination processing device and method, which comprises a drilling machine and a polishing machine; the drilling machine and the polishing machine sequentially perform drilling and polishing work on the parts to form part holes; the drilling machine comprises a drill bit and a drilling driving part, and the polishing machine comprises a polishing rod and a polishing driving part; the polishing rod is located at an eccentric position of the part hole, the outer wall of the polishing rod is in contact with the inner wall of the part hole, and the rotation shaft of the polishing driving part is coaxial with the part hole to be polished, so that the polishing driving part drives the polishing rod to rotate axially along the part hole to be polished. The present application integrates the drilling and polishing processes on the same platform, completes the processing and inner wall polishing of the part hole through the continuous operation of the drilling machine and the polishing machine, reduces the part transfer link, shortens the production cycle, reduces the labor intervention cost, and significantly improves the batch processing efficiency of the parts.

The utility model discloses while-drilling hydraulic power type low-clearance cement mixing pile forming equipment. The while-drilling hydraulic power type low-clearance cement mixing pile forming equipment comprises a hydraulic power motor, a telescopic drill rod system, a cement pile mixing head, a rack bearing system, a flexible pipeline integration system, a high-pressure oil pump conveying system and a cement grout mixing conveying system. In the stirring pile drilling process, the rotary stirring process only occurs in a stirring head area, a stirring pile drill rod and an upper structure are basically kept in a relatively static state, the drill rod only performs vertical telescopic motion, the stability and safety of stirring pile equipment in the working process are relatively better, and stirring head drilling and stirring are more stable; due to the fact that the hydraulic drive type telescopic drill rod is adopted, the height of the pile machine is relatively smaller, the requirement for foundation reinforcement of places with limited space such as low clearance can be met, and the overall stirring pile construction efficiency is higher.

The utility model provides a drilling machine for machining a piston rod. The drilling machine for machining the piston rod comprises a mounting frame, a drilling tool and a drilling tool, wherein a drill bit is slidably mounted on the mounting frame; the mounting column is fixedly mounted on one side of the mounting frame, a rack is slidably mounted on the mounting column, a driving motor is fixedly mounted on one side of the mounting column, a driving gear is rotatably mounted in the mounting column, and the driving gear is fixedly connected with an output shaft of the driving motor; the driving gear is meshed with the rack; and the mounting box is fixedly mounted at one end of the rack, a grinding motor is fixedly mounted in the mounting box, grinding sand is arranged on an output shaft of the grinding motor, and a sand groove matched with the drill bit is formed in the grinding sand. The drilling machine for machining the piston rod has the advantages that an abraded drill bit can be polished during drilling, and the drilling efficiency is improved.

The utility model provides an insect-proof electric control cabinet, and relates to the technical field of insect-proof electric control cabinets, the insect-proof electric control cabinet comprises an electric cabinet, an adjusting device is arranged in the electric cabinet, the side surface of the electric cabinet is rotatably connected with a cabinet door, the side surface of the electric cabinet is provided with an insect expelling device, the insect expelling device comprises heat dissipation holes arranged on the side surface of the electric cabinet, and the heat dissipation holes are communicated with the adjusting device. A metal rod is fixedly connected to the inner wall of the heat dissipation hole, a camphorwood rod is fixedly connected to the interior of the heat dissipation hole, the metal rod and the camphorwood rod are arranged in a staggered mode, an insect repelling lamp is fixedly connected to the interior of the heat dissipation hole and is a yellow light lamp, a groove is formed in the inner wall of the heat dissipation hole, and an insect repelling frame is arranged in the groove. According to the electric control cabinet, the problem that small insects can drill into the electric control cabinet from the heat dissipation holes of the electric control cabinet to affect the operation of electric appliance elements is solved, and the electric control cabinet comprises an insect expelling frame, a damping rod is fixedly connected to the side face of the insect expelling frame, and a circular hole is formed in the inner wall of the groove.

The invention relates to the technical field of shield construction, and particularly discloses a shield parameter adjusting method, a supporting device and a starting end drilling method. The adjusting method comprises the following steps: S1, dividing a trial tunneling section; s2, first-stage trial tunneling parameter adjustment; s3, second-stage trial tunneling parameter adjustment; s4, third-stage trial tunneling parameter adjustment; s5, fourth-stage trial tunneling parameter adjustment; and the construction safety and quality of subsequent tunneling can be ensured. The supporting device comprises a device body, the device body comprises a first supporting rod and a counter-force frame, and the counter-force frame comprises a vertical rod and a connecting rod. A second supporting rod and a third supporting rod are arranged at one end, close to the reaction frame, of the first supporting rod; and the supporting strength of the reaction frame can be better improved. The drilling method comprises the steps that S1, the starting end is reinforced; s2, adjusting drilling parameters of the shield tunneling machine; it can be guaranteed that after the shield tunneling machine penetrates through the starting end, drilling can be conducted smoothly.

The invention discloses a deep well multi-stage self-adaptive tripping prevention control tool string and system and application. The tool string comprises an outer barrel, a first-stage vibration reduction unit, a second-stage vibration reduction starting unit, a second-stage vibration reduction unit and a drill bit driving unit, wherein the first-stage vibration reduction unit, the second-stage vibration reduction starting unit and the second-stage vibration reduction unit are sequentially arranged in the outer barrel; the drill bit driving unit comprises a conversion connector, a spiral shell, a spiral mandrel and a locking connector. The adapter is connected with the lower end of the outer cylinder; the spiral shell is connected with the lower end of the adapter; partial area of the spiral mandrel is located in the spiral shell and is in threaded fit with the spiral shell; the locking connector is connected with the lower end of the spiral shell and limits the spiral mandrel, and the lower end of the spiral mandrel is externally connected with a drill bit. When the tool string is used for drilling high-pressure, high-temperature and abnormal stratums in an ultra-deep well, the tool string can be used for achieving self-adaptive regulation and control, the tripping prevention effect is achieved, meanwhile, the phenomena of drill jamming and stick-slip are eliminated, while-drilling instruments are protected, and smooth drilling of the deep well and the ultra-deep well is guaranteed.

The application provides a rock coring device for geotechnical engineering investigation, and belongs to the field of geotechnical exploration equipment. The rock coring device for geotechnical engineering investigation comprises a drilling cylinder, a cutting part and a sampling cylinder. During drilling, the cutting part is at a working angle, and the reaction force of the cutting edge pushes the cutting part to deflect inward, and the partial limitation of the sampling cylinder to the inward deflection of the cutting part enables the cutting part to be positioned at the working angle; after the sampling cylinder is filled with samples, the sampling cylinder can move axially relative to the drilling cylinder before sampling to release the limitation on the cutting part, and then the cutting part is pushed by the reaction force to deflect inward and cut the root of the sample, thereby weakening the root of the sample, and when the coring device is lifted, the sample is more likely to be broken from the root, the sample is prevented from falling off, and the continuity of the sample is ensured.

The application discloses a high-pressure rotary jet grouting pile equipment for sedimentary rock pebble layer and a construction method thereof, and belongs to the field of foundation construction. The equipment comprises a caterpillar vehicle provided with guide rail columns and a mounting mechanism. A rotary chuck and a positioning mechanism are slidably arranged on the guide rail columns. A drill rod is detachably connected with a power head arranged on the rotary chuck. The positioning mechanism is used for limiting and driving a protective sleeve arranged on the drill rod. The protective sleeve is formed by sequentially connecting sleeve units at the head and tail. The mounting mechanism is used for mounting the sleeve unit to be mounted to the drill rod coaxially. The mounting mechanism comprises a base, a support frame and a hydraulic cylinder. The base is arranged above the positioning mechanism. The lower end of the support frame is rotatably arranged on the base. The upper end of the support frame is used for temporarily fixing the sleeve unit to be mounted. One end of the hydraulic cylinder is rotatably arranged on the base, and the other end is rotatably connected with the support frame. The sleeve unit can be mounted without stopping the operation, and each sleeve unit limits the drill rod, thereby ensuring the perpendicularity of the drill rod.

The present application belongs to the field of gear transmission device, and discloses a gear transmission device and a drilling equipment applied to clay layer, which comprises a gear transmission device arranged in the installation cavity of a drill bit and used for conveying the rotating force of a drill rod, the gear transmission device comprises a striking tooth part arranged in the radial direction of the drill bit, a plurality of hit tooth parts arranged in the circumferential direction of the side wall of the installation cavity in a ring shape, and a differential transmission part used for transmitting the rotating force of the drill rod to the striking tooth part, the hit tooth part is fixed to the side wall of the installation cavity and constitutes a ring-shaped tooth, the differential transmission part receives the rotating force of the drill rod and drives the striking tooth part to rotate at a speed lower than the rotating speed of the drill rod, and the striking tooth part periodically strikes the hit tooth part during rotation to store energy and simultaneously transmit a vibration force to the drill bit.

The invention discloses a directional drilling rig drill bit for ultrasonic vibration-assisted rapid drilling, comprising a drill bit body that can be screwed and fixed on the front end of a drill rod, the drill bit body being a hollow structure, the front end of the drill bit body being a multi-claw structure, and a drill tooth being installed on each claw tooth through a mounting seat; an ultrasonic actuator is provided inside the front end of the drill bit body, and the ultrasonic actuator has a radial extension portion embedded in the tooth grooves of adjacent claw teeth; the ultrasonic actuator is used to convert and amplify the ultrasonic signal generated by the ultrasonic generator through an energy converter and an amplitude converter, and then act on the rock mass; the ultrasonic generator, the energy converter and the amplitude converter are all arranged through the mounting hole in the middle of the drill bit body; and the ultrasonic generator is a rechargeable structure of a DC power supply, and has a remote control unit. The beneficial effects of the invention are that it has an ultrasonic-assisted cracking function; there is no need to set a power supply and a control line, the drilling process is safe, the hole-forming speed is fast, and the drilling efficiency is high, and it is particularly suitable for long-distance directional drilling in the coal mining industry.