1038results about "Drilling machines and methods" patented technology

The invention discloses a concentric tube geothermal well structure capable of improving heat exchange efficiency. The concentric tube geothermal well structure comprises a first well opening section and a second well opening section. The first well opening section comprises a first casing pipe, and first well cementation cement is arranged between the inner wall of the first well opening section and the first casing pipe; the second well opening section is provided with a second casing pipe, second well cementation cement and a central casing pipe; a distance is arranged between the second casing pipe and the well wall of the second well opening section, second well cementation cement is arranged between the center casing pipe and the second casing pipe, a water stopping device is arranged at the upper end of the second well cementation cement and is of a reducing structure with the diameter sequentially increased from top to bottom, and the inner wall of the top end of the water stopping device is connected with the center casing pipe. The bottom end of the water stop device is connected with the second sleeve; a packing structure is arranged at the bottom end of the second well cementation cement, and a permeable section is arranged at the lower end of the packing structure. The invention further provides a construction method of the geothermal well structure. The structure is reliable, the heat exchange efficiency is improved, and the industrial long-term operation requirement is met.

The invention belongs to the technical field of geotechnical engineering drilling, and particularly relates to an instant pipe-following anti-falling object device for broken stratum drilling, which comprises a drilling machine power head and a drilling rod, a drill bit is arranged at one end of the drilling rod, an inner wall protection sleeve is arranged outside the drilling rod, and the inner wall protection sleeve is connected with the drilling machine power head through a linkage assembly. An outer wall protection sleeve is arranged outside the inner wall protection sleeve, the outer wall protection sleeve and the inner wall protection sleeve are connected through an elastic assembly, a sliding fit clearance cavity is formed between the outer wall protection sleeve and the inner wall protection sleeve, and a sliding guide assembly and a permanent magnet assembly are arranged in the sliding fit clearance cavity; a sensing assembly and a propelling assembly are arranged on the drill rod; according to the device, by integrating the linkage assembly, the elastic assembly, the permanent magnet assembly and the central controller, instant synchronous movement of the wall protection sleeve and the drill bit is achieved, hole wall collapsing objects are effectively blocked, drill burying and drill jamming accidents are completely eradicated, and the construction efficiency is improved.

The invention discloses electric-drive automatic workover operation equipment for a vertical derrick. The electric-drive automatic workover operation equipment comprises a self-propelled chassis, the vertical self-balancing derrick, a traveling block guide rail, a traveling block, an electric winch, a wellhead automatic platform and a hydraulic pipe conveying machine. The self-propelled chassis is installed at the bottom of the main vehicle and provided with four stepping supporting legs, and a stepping device is arranged below each stepping supporting leg. A balance beam type crown block is mounted at the top end of the upright self-balancing derrick; the traveling block guide rail is arranged along the front side of the upright self-balancing derrick; the traveling block moves up and down along the traveling block guide rail; the wellhead automatic platform is integrated with a hydraulic clamp, a righting manipulator and an automatic hoop finder; the hydraulic pipe conveying machine adopts a horizontal-to-vertical bidirectional lifting mechanism, the vertical self-balancing derrick is configured, a loaded crown block is small in offset, the derrick is configured with a traveling block guide rail, a traveling block moves along with the guide rail and is small in wind load drift, the wellhead pipe column handover processing efficiency is high, and the time for a traveling crane system of the workover rig to participate in pipe column handover is shorter; and the overall efficiency of the automatic tubular column processing operation of the workover rig is improved.

The application discloses a sampling device for geological exploration, which comprises a geological sampling mechanism and a scale expansion mechanism. The geological sampling mechanism comprises a bottom plate, and a gas cylinder is fixedly connected to the top of the bottom plate. The application relates to the technical field of exploration sampling. The sampling device for geological exploration is combined with the geological sampling mechanism and the scale expansion mechanism. The two mechanisms are arranged so that when the sampling cylinder is lowered for sampling, the U-shaped supporting frame extends out of the side groove by the pressure of the core column. When the sampling cylinder drives the core column to rise, the U-shaped supporting frame supports the lifting supporting piece. The inclined pressing plate, the inner groove sliding frame and the tooth block are matched, so that the seal block can continuously and uniformly pass through the side groove and expand on both sides of the core column. Therefore, the scale line can be marked in advance when the core column is still in a whole in the sampling cylinder.

A method of drilling a borehole into a subsurface region. The method includes identifying, based on a depth of the drill bit in the subsurface region, a collaring stage of drilling the borehole. A sensor a measured parameter of the drill during drilling. The method also includes identifying, based on the collaring stage, a reference value for a drilling parameter of the drill. The method also includes generating a difference between the measured parameter and the reference value. The method also includes determining, from the difference, an adjustment factor to the drilling parameter. The method also includes adjusting the drilling parameter according to the adjustment factor to generate an adjusted drilling parameter. The method also includes modifying, during drilling and with the drill controller, operation of the drill according to the adjusted drilling parameter to change the measured parameter to a new measured parameter.

A method of retrofitting a service rig includes obtaining a service rig having a plurality of mechanically powered equipment for performing well service operations. The method also includes retrofitting the service rig with a plurality of electrically powered equipment for performing well service operations.

The invention relates to the field of spraying, and particularly discloses a high-pressure rotary-cut type dust catching and spraying device for a down-the-hole drill, which comprises a mobile vehicle body, a lifting assembly is arranged on the mobile vehicle body, a drilling assembly is arranged at the output end of the lifting assembly, and a water supply assembly is arranged on the mobile vehicle body. A communicating assembly communicating with the water supply assembly is arranged on the movable vehicle body, and a capturing assembly used for capturing dust is arranged between the communicating assembly and the drilling assembly. During early drilling, the first-stage spraying assembly and the second-stage spraying assembly can synchronously capture dust, the second-stage spraying assembly has a compensation effect on the first-stage spraying assembly, and dust escape is avoided; and during later drilling, the effect of catching dust in the catching assembly by the second-stage spraying assembly can be achieved, the dust falling effect is achieved, meanwhile, two water curtains are formed, the dust blocking effect is achieved, dust escape is further reduced, and the dust catching effect is greatly improved.

The utility model relates to the technical field of tunnel construction, and discloses a tunnel punching device which comprises a vehicle plate, a bearing seat is fixedly mounted at the top of the vehicle plate, a multi-axis mechanical arm is fixedly mounted at the top of the bearing seat, and a tunnel punching mechanism is fixedly mounted on the multi-axis mechanical arm; the tunnel punching mechanism comprises a mounting base, a first hydraulic cylinder, a mounting plate, a drilling machine, a drill bit, an electric telescopic rod, a stop block, a laser distance measuring sensor, a guide sliding plate and a propping plate, the mounting base is fixedly mounted on the multi-axis mechanical arm, a first groove is formed in the side, away from the multi-axis mechanical arm, of the mounting base, and the first hydraulic cylinder is fixedly mounted in the first groove; the mounting plate is fixedly mounted at the output shaft end of the first hydraulic cylinder. Compared with the prior art, the tunnel drilling device has the following advantages and effects that a hole with the needed depth can be accurately drilled in the wall in the tunnel according to the requirement, operation is easy and convenient, the working efficiency is improved, and the accuracy of the drilling depth is ensured.

The invention provides a casing well drilling well cementation-free tubular column and a construction method, the casing well drilling well cementation-free tubular column comprises a casing string, a drill bit is arranged at the lower end of the casing string, and the casing string replaces a drill rod to drive the drill bit to drill; the self-expansion packers are arranged in the axial direction of the casing string at intervals, can expand in the environment of an expanding agent and are fixed in the stratum; wherein the casing pipe string comprises a casing pipe without a coupling. By means of the self-adaptive expansion characteristic of the self-expansion packer, traditional cement well cementation is replaced, packing failure caused by cement performance fluctuation or casing welting is avoided, and the annulus sealing reliability is improved.

The invention provides a reverse circulation drilling device with a reaming function and a using method thereof.The reverse circulation drilling device comprises a drill rod, the drill rod is hollow to form a main pipeline, the bottom of the drill rod is sleeved with a composite drill bit, and the composite drill bit comprises at least one down-the-hole hammer and at least one oil pressure hammer; one part of the down-the-hole hammer extends out of the bottom surface of the shell of the composite drill bit; the oil pressure hammer is arranged in the circumferential direction of the shell of the composite drill bit and can stretch out or retract in the radial direction of the shell of the composite drill bit. The reverse circulation drilling device comprises the composite drill bit, the composite drill bit is provided with the oil pressure hammer and the down-the-hole hammer, the oil pressure hammer can be used for reaming, the down-the-hole hammer can be used for drilling, the oil pressure hammer can be withdrawn when not working, follow-up drilling is not affected, and the composite drill bit can achieve reaming and vertical drilling at the same time; in actual construction, time for replacing the drill bit can be saved, construction efficiency is improved, and time and cost are greatly saved.

This invention relates to the field of oilfield thermal recovery well technology, and discloses a well completion process device, a column-type ground anchor, and a method for increasing the prestress of the oil layer casing. The well completion process device includes a surface casing (1) located below the surface, an oil layer casing (2), and a casing head body (3). The oil layer casing is connected to the inner surface of the casing head body via a connecting assembly (40). A column-type ground anchor (500) is connected to the bottom of the oil layer casing. The column-type ground anchor includes an anchor claw (502) and a plunger body (530). A liquid outlet (501) is formed on the column-type ground anchor. The anchor claw can extend out of the side wall of the plunger body and insert into the formation. Cement can be discharged from the liquid outlet to seal the annular gap between the oil layer casing and the formation. This invention uses hydraulic oil to insert the anchor claw into the formation, pulling the oil layer casing to a preset load. After the oil layer casing is pulled up, it is clamped to the inner wall of the casing head body via the connecting assembly, thus increasing the prestress.

A well rig can include a mast, and multiple guide assemblies distributed along the mast. The guide assemblies are configured to laterally support a tubular string. A method of operating a well rig can include mounting multiple guide assemblies spaced apart along a length of a mast of the well rig, and actuating each of the guide assemblies between open and closed configurations. In the open configuration the guide assembly does not laterally support a tubular string, and in the closed configuration the guide assembly laterally supports the tubular string. Another method can include mounting multiple guide assemblies spaced apart along a length of a mast of a well rig, and displacing a top drive along the mast. The guide assemblies open in succession as the top drive descends along the mast, and the guide assemblies close in succession as the top drive ascends along the mast.

The invention relates to the technical field of drilling engineering and geological safety monitoring, in particular to a water drilling hole wall stability early warning method based on slurry parameters and drilling tool postures, which comprises the following steps of: 1, sensing and acquiring multi-source heterogeneous parameters in real time; 2, constructing a hole wall stability evaluation index system; step 3, constructing a virtual drilling digital twinborn model and performing stress simulation; according to the method, synchronous acquisition and fusion analysis are carried out by integrating the mud performance parameters, the drilling tool attitude parameters and the stratum response parameters, a multi-source heterogeneous hole wall stability evaluation index system is constructed, multi-source information fusion algorithms such as a D-S evidence theory and Kalman filtering are adopted, the limitation of dependence on a single parameter in the prior art is overcome, and the method is suitable for large-scale popularization and application. According to the method, the hole wall state can be comprehensively judged from multiple dimensions of mechanical balance, slurry wall protection efficiency and drilling tool disturbance, the comprehensiveness of risk identification and the accuracy of early warning signals are remarkably improved, and misjudgment or missed judgment caused by information islands is avoided.

The application provides a novel reaming drill bit device and a reaming method thereof, which comprises a reaming drill bit and a drill rod connector, the reaming drill bit comprises a drill bit base, a hollow bolt, a limiting block, a spring, a sliding rod and a cutter, one end of the drill rod connector is connected with a drill rod, and the other end of the drill rod connector is connected with the drill bit base; symmetric sliding grooves are formed on both sides of a cutting seam of the drill bit base; the cutter is fixed in the sliding groove through a sliding rail, and is automatically opened by sliding down along the sliding groove under resistance to rotate and ream; the cutter pushes the sliding rod to slide down to compress the spring, the drill rod is withdrawn after reaming, the spring pushes the sliding rod to slide up to drive the cutter to slide up, and the cutter returns to the original position; the drill rod in the hole is completely withdrawn, and cylindrical reaming is formed; the application only needs to replace the drill bit after drilling a relatively short hole, realizes reaming while drilling, and forms the reaming structure at one time, so that the workload of replacing the reaming drill bit can be greatly reduced; and the rock breaking capacity is relatively high, and the application is suitable for a relatively wide range of rock layers.

The invention relates to the technical field of petroleum drilling equipment, in particular to a novel eccentric rotating casing guiding shoe and a using method thereof. The eccentric rotating sleeve guide shoe comprises a lower shell, the top of the lower shell is rotationally connected with an upper shell, the bottom of the lower shell is connected with a telescopic sleeve, the bottom of the telescopic sleeve is connected with an eccentric guide head, a plurality of spiral guide strips are arranged on the circumference of the outer side wall of the lower shell at equal intervals, and the inner side wall of the lower shell is connected with a first turbine. The telescopic sleeve comprises an outer cylinder coaxially connected with the lower shell, an inner cylinder coaxially connected with the eccentric guide head and a spring respectively connected with the outer cylinder and the inner cylinder, and a plurality of spiral blades with downward tips and extending towards the eccentric guide head are arranged on the circumference of the outer side wall of the outer cylinder at equal intervals. The reaming efficiency is high, the labor intensity of workers can be reduced, and it can be fully guaranteed that the casing pipe string is smoothly lowered to the preset position.

The utility model discloses a coal mine underground drilling dust prevention device, and relates to the technical field of underground drilling dust prevention. The underground coal mine drilling dustproof device comprises a dustproof cover, a rotating rod is movably arranged on the dustproof cover, one end of the rotating rod is connected with a drill bit, two connecting rods are rotatably arranged on the inner wall of the dustproof cover, one end of each connecting rod is connected with a cylindrical gear, a rotating shaft is fixed to one end of each cylindrical gear, and two dust discharging pipes are oppositely embedded in the dustproof cover. The ends, close to the drill bit, of the two dust discharging pipes communicate with volutes, impellers are arranged in the volutes, the rotating shaft is rotationally connected with the volutes, the impellers are arranged on the rotating shaft, and a movable gear is arranged on the rotating rod and meshed with the cylindrical gear, so that when the rotating rod drives the drill bit to conduct drilling, through cooperation of the cylindrical gear, the rotating shaft and the impellers, the dust discharging pipes can be driven to drill. And dust generated by drilling is absorbed and is discharged outwards through the volute and the dust discharging pipe, and the dustproof effect in the drilling process is effectively improved.

The present disclosure relates to a drill rig (10) comprising a flushing system that includes at least one nozzle (2) to provide a first flushing medium, and at least one flushing channel (3) arranged to convey first flushing medium from at least one flushing medium storage means (1) to the at least one nozzle (2), and the flushing channel (3) is connected to the at least one flushing medium storage means (1). The flushing medium storage means is comprised on the drill rig and / or separate from the drill rig. The drill rig (1) comprises at least one component (4) that generates heat during the use of the drill rig (10) and / or at least one component (5) that requires heat, and whereby the drill rig (10) optionally comprises at least one circulating channel (8, 9) arranged to convey first flushing medium from the flushing medium storage means (1) and return it back to the at least one flushing medium storage means (1) and / or at least one closed circuit channel (6, 7) arranged to convey closed circuit channel medium in a closed circuit channel (6, 7) that passes through the at least one flushing medium storage means. The flushing system is arranged to cool the components that generates heat and / or heat the components that requires heat.

An earth boring system includes a drill-out bit disposed at a distal end of a drill string. The drill-out bit includes blades. The system also includes a casing drill bit that has a drill bit body with a bottom profile. The bottom profile at least partially matches a profile of the blades of the drill-out bit. The drill-out bit is operable to drill through the casing drill bit.

An MWD directional hydraulic whipstock comprises whipstock inclined iron and a setting anchoring device which are connected with each other, and the setting anchoring device comprises a cylinder sleeve, an upper cone-shaped body, a lower cone-shaped body and a limiting pipe connected with the upper cone-shaped body and the lower cone-shaped body, the device is characterized in that a circulating pipe is fixedly connected to the lower end of the lower conical body, a circulating hole is formed in the wall of the circulating pipe, a liner pipe and a plunger are sequentially arranged in the circulating pipe in a clearance fit mode, a plunger seat is fixed to the lower end in the circulating pipe in a sealed mode, and a plunger rod is arranged at the lower end of the plunger and penetrates out of a center hole of the plunger seat in a sliding fit mode; in the initial state, the liner tube and the plunger are located below the circulating hole, an inner cavity of the circulating tube is communicated with the external space through the circulating hole, and after wireless orientation, the plunger rod makes contact with the well bottom to push the liner tube to move upwards to seal the circulating hole, so that the whipstock is lifted to the setting position to start pressure building and setting. The whipstock can circulate drilling fluid under various well conditions so that a wireless logging instrument can be adopted for orientation, and pressure building setting can be smoothly achieved after orientation is completed.

This invention discloses a rapid drilling device and method for the floor of coal mine roadways. It includes a drilling rig, drill rods, and a drill bit. The drill rods consist of a transition drill rod and a circular drill rod. A water channel is provided through the transition drill rod, the circular drill rod, and the drill bit at a certain thickness. A water extraction pipe is provided inside the transition drill rod and the circular drill rod. A water extraction pipe and a water supply pipe are sleeved through the center of the drill arm. The drill arm's water extraction pipe communicates with the drill rod's water extraction pipe and the drill bit's inner cavity. The drilling rig's water supply pipe communicates with the drill rod's water channel. During drilling, water injected from the water supply pipe enters the bottom of the hole through the water channel. The water at the bottom of the hole, carrying drill cuttings, is extracted sequentially through the hollow drill bit, the drill rod's water extraction pipe, and the drill arm's water extraction pipe under external negative pressure. This allows drilling mud to be continuously extracted from the center of the drill rod during drilling, eliminating the need for special drill bit removal and cuttings disposal, shortening the drilling progress, greatly improving drilling efficiency, ensuring the floor pressure relief effect, and providing technical support for safe production on site.

The invention discloses an integrated drilling and workover rig base capable of being rapidly disassembled and assembled and a using method thereof.The base can serve as an integral structure to be loaded on a flat plate transport vehicle for road transportation in the transportation state and comprises a bottom assembly; a top assembly; the front stand column, the rear stand column, the bottom assembly and the top assembly jointly form a parallelogram folding mechanism; the base lifting cylinder is connected between the bottom assembly and the top assembly; in the transportation state, the parallelogram folding mechanism is in the folded state, so that the top assembly is close to the bottom assembly in the height direction, and the overall appearance size of the base meets the height limiting and width limiting requirements of highway transportation. Through the parallelogram folding structure and the integral transportation design, the integral transportation of the base and the accessories in one train is realized. The two-stage hoisting mechanism is used for guaranteeing safe and stable hoisting, the transportation height is remarkably reduced, the road transportation standard is met, and finally the effects of improving the moving efficiency and reducing the operation cost and the safety risk are achieved.

A system and method are provided for installing a well for a borehole heat exchanger. The method includes drilling a hole formation to a predetermined depth relative to a ground surface, including operating a bottomhole assembly (BHA) including a drill bit supported at a bottom end of a cable positioned within a flexible tube. After drilling the hole formation to a predetermined depth, the BHA is retracted through the flexible tube to remove the BHA from the hole formation while the flexible tube remains in the hole formation.

The coal rock upper layer loosening device comprises a control platform, a paving plate, a passing cylinder boss provided on the paving plate, liquid application pipelines and passing rail bead rods respectively provided on both sides of the passing cylinder boss, a through opening provided at the center position of the passing cylinder boss, and liquid storage fixing pipes provided at the bottom ends of both sides of the paving plate. The device further comprises a soil breaking and embedding pipe, which comprises an embedding pipe, a positioning tip provided at the bottom end of the embedding pipe, and a needle cavity provided in the embedding pipe. The positioning of the control platform and the ground fixation are used to perform small-range and accurate and efficient soil loosening operation on the upper layer of coal rock. The soil loosening is omnidirectional and periodic, and is more efficient. Unlike the prior art which directly damages a large area of the ground, the device is suitable for soil loosening work without affecting the soil surface layer and the roof.

The drill boom mechanism comprises a first shell, a first linear driving piece, a first rotary driving piece, a main drill rod and a monitoring piece, a first through hole is formed in the front end of the first shell, and a first sliding seat is arranged in the first shell in a sliding mode in the front-back direction; the first rotary driving part is installed on the first sliding seat, the first linear driving part is installed on the first shell and is in transmission connection with the first sliding seat, the main drill rod penetrates through the first penetrating hole, the tail end of the main drill rod is connected with the driving end of the first rotary driving part, and the monitoring part is arranged at the front end of the first shell. The first linear driving part drives the first sliding seat to drive the first rotary driving part and the main drill rod to move in the front-back direction, the first rotary driving part is used for driving the main drill rod to rotate, and the monitoring part is used for monitoring the run-out amount of the main drill rod in the radial direction when the main drill rod rotates. Therefore, the runout value of the main drill rod in the radial direction can be monitored in real time through the monitoring piece so as to judge whether the main drill rod has the risk of fracture or not.

A conductor of the extendable conductor assembly may be extended (e.g., into a thermal target, such as a preexisting or a newly created feature of a planetary body) and used to thermally couple a rover, vehicle, fixed installation, or other hardware with the thermal target. Thus, the temperature of the hardware may be managed via heat transfer to / from the thermal target. For instance, heat may be transferred from the thermal target to maintain the temperature of the hardware under cold conditions, while excess heat may be transferred to the thermal target under hot conditions. A rover forms a borehole in the lunar surface, in which a conductor is extended to facilitate heat transfer between the rover and the Moon accordingly.

This utility model relates to a polar-type housing drilling rig, which includes a housing, a support assembly, a mast assembly, and a power head. The support assembly, mast assembly, and power head are all located within the housing, and the top of the housing has an openable window. The support assembly includes a fixed plate, a support frame, and a drive cylinder. The fixed plate is disposed within the housing, the support frame is fixedly mounted on the fixed plate, and one end of the drive cylinder is hinged to the fixed plate. The mast assembly includes a main mast and a drive element. The main mast is hinged to the support frame; the other end of the drive cylinder is hinged to the main mast; the power head is slidably mounted on the main mast and connected to the drive element, which enables the power head to slide along the main mast. This utility model achieves drilling operations and transportation by rotatably mounting the main mast on the support assembly. The rotation of the main mast on the support assembly allows the mast assembly to switch between a first state and a second state.

To provide a tubing device comprising a lifting device cradle having a simple configuration and allowing a mounting position to be easily changed.SOLUTION: In a tubing device, at an upper part of a chuck frame 16, there are provided a work deck 29 comprising an opening 24 corresponding to a position of a casing insertion hole and a lifting device cradle 32 capable of being attached to and detached from a floor surface of the work deck. The work deck has a deck protrusion 31 protruding outward from the chuck frame. The lifting device cradle is selectively attached to two locations on the floor surface determined by rotating by 180 degrees around a central axis of the casing insertion hole as an axis of rotational symmetry, and in the attached state, has a cradle protrusion 33 protruding outward from the work deck and a stay member 34 detachably mounted between the cradle protrusion and the chuck frame. The stay member consists of an inner stay member 37 and an outer stay member 38 that are mechanically fastened to each other via a fixing portion 36 provided at an outer end of the deck protrusion.SELECTED DRAWING: Figure 4

This invention relates to the field of blasting technology, and more particularly to a high-efficiency borehole measuring device and method for mining blasting. The high-efficiency borehole measuring device for mining blasting includes a frame and a borehole measuring mechanism located below the frame. Rollers are installed at the bottom of the frame, and a top seat is installed at the top of the frame. A storage groove is formed inside the top seat, and a measuring rod is movably placed inside the storage groove. A recess is formed in the center of the storage groove. This invention, through the design of the measuring rods, allows for the rapid assembly of several measuring rods, enabling precise measurement of borehole depth. The rods are also detachable and foldable for easy carrying and transport. The wall-pressing mechanism helps to compact the loose soil inside the borehole, preventing the loose soil from falling and causing blockages during subsequent charging. The drilling mechanism allows for simultaneous measurement and borehole deepening, avoiding the hassle of secondary drilling.

A device and method for making a hole in a golf green. The device has longitudinal, radial, and angular directions and includes a cutting cylinder, a structure, a weight, and a weight-propulsion device. The cutting cylinder has an axis parallel to the longitudinal direction and an open end freely movable longitudinally. The structure includes a guide defining a weight path with first and second endpoints. The weight engages the guide and moves along this path. The propulsion device drives the weight reciprocally between the endpoints so the weight strikes the cutting cylinder, urging it longitudinally. The propulsion device includes a first electric motor, a spring, and a force-mediating device. The motor rotates a drive axle. During a first stage, the force-mediating device engages the axle with the spring to store potential energy. In a second stage, it disengages the axle, allowing the spring to release the energy to accelerate the weight toward the cutting cylinder.

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