64results about "Drilling drives" patented technology

The invention provides an impact rotary drilling hydraulic control system of a dinting machine, which belongs to the technical field of hydraulic control systems and comprises a variable pump, a pilot oil source control valve group, a proportional multi-way valve, a shuttle valve I, a one-way pressure reducing valve, a shuttle valve II, a drilling machine pilot handle group, an impact rotary drilling machine, a bidirectional hydraulic lock and a drilling machine feeding oil cylinder. According to the hydraulic control system for percussive rotary drilling of the dinting machine, the percussive rotary drilling machine can perform stepless speed regulation between two speeds, high-frequency percussive or low-frequency percussive operation can be flexibly used according to rock stratum and geological working conditions, the application range of equipment is greatly widened, and the hydraulic control system can be used for rock stratums with high hardness, weathered rock stratums and hard and brittle geology. And during low-frequency impact operation, one-key linkage operation can be realized, namely, the functions of feeding, rotating and impacting of the drilling machine can be completed by operating the impact pilot handle.

The utility model relates to a raking pile rock-socketed percussion drill hole-forming barrel drill bit, which belongs to the technical field of barrel drill bits, and comprises a rock percussion drill hole-forming barrel drill bit body, a rotary drilling machine, a connecting shaft, a flange plate and a bolt, and a reinforcing mechanism is arranged at the top of the rock percussion drill hole-forming barrel drill bit body. The reinforcing mechanism comprises a reinforcing sleeve fixedly installed on the peripheral wall of the connecting shaft. According to the raking pile rock-socketed percussion drill hole-forming barrel drill bit, the overall compressive strength of a connecting shaft is enhanced through the effect of a reinforcing sleeve, a connecting plate is fixed through the effect of an arc-shaped mounting base and a screw, and meanwhile an arc-shaped supporting plate is mounted in the reinforcing sleeve; part of pressure is shared to the rotary drilling machine under the action of the arc-shaped supporting plate, the supporting rod and the connecting plate, the influence of gravity and pressure on the connecting shaft when the drill bit body of the rock impact drill hole-forming barrel drill inclines is reduced, and therefore the service life of the connecting shaft is prolonged, and the stability of the connecting shaft is improved.

The invention relates to the technical field of deep space detection equipment, in particular to an extraterrestrial celestial body rock coring drill and a coring and breaking method thereof. The coring drill comprises an attachment mechanism, a rotary impact sliding table mechanism and a coring and core breaking mechanism which are sequentially connected, the attachment mechanism is used for being anchored to the surface of celestial rock, and the rotary impact sliding table mechanism is used for providing drilling rotation, impact power and axial feeding motion; the coring and breaking mechanism comprises an outer drill bushing, an eccentric coring pipe assembly mounted in the outer drill bushing and a drill bit connected to the front end of the outer drill bushing; the eccentric coring pipe assembly comprises a coring pipe and a driving shaft for driving the coring pipe to rotate, and the coring pipe and the driving shaft are eccentrically arranged; the driving shaft can be controlled to synchronously rotate in the same direction with the outer drill bushing or independently rotate in the opposite direction relative to the static outer drill bushing. Active anchoring and multiple buffering are combined, the sample integrity, the operation success rate and the automation degree of extraterrestrial hard rock coring are remarkably improved, and lossless capture and mechanical reliable breaking of a rock core are achieved.

A rotating sleeve (17), a rock drill (6), and a method for manufacturing the rotating sleeve. The rotating sleeve is mountable around a shank adapter (8) of the rock drill and includes several internal teeth (22) with opposing first and second flank surfaces (32, 33) for transmitting rotation to the shank adapter (8). The internal teeth are provided with end reliefs (38, 39) including chamfers between the flank surfaces and end faces (34) of the teeth.

The embodiment of the application provides a square drill hole pile hole forming equipment and method, wherein the equipment comprises a drilling machine shell, a central shaft drill rod is vertically arranged in the drilling machine shell, a rotating driving device is connected to the top end of the central shaft drill rod, a rotary excavator drill bit is connected to the bottom end of the central shaft drill rod, helical blades are fixed to the outer wall of the central shaft drill rod, the rotating driving device drives the central shaft drill rod, drives the rotary excavator drill bit to rotate and drill to form a circular hole, an impact driving device is arranged at the bottom of the drilling machine shell, four impact drill bits are connected to the output end of the impact driving device, the impact drill bits are arranged at the four corners of the bottom periphery of the rotary excavator drill bit, the impact drill bits vertically move up and down, reciprocating rock breaking is realized, the circular hole is reamed, and finally a square hole is formed. The application can realize full-automatic mechanical drilling, realize square hole forming at one time, has wide application range, small environmental pollution and low overall equipment cost.

A system for imparting reciprocating vertical movement to a well pipe assembly includes a top head drilling unit having a drilling head configured to attach to an adapter. The adapter includes a top shaft threadably engaged with the drilling head. A right angle gear box includes an input gear, a first output gear, and a second output gear. The input gear is coupled to the top shaft and driven by rotational movement of the drilling head imparted on the top shaft. The output gears are engaged by the input gear. A pair of linkage arms are coupled to the output gears by a first output shaft and a second output shaft. The output shafts impart rotation about a horizontal axis to the pair of linkage arms. A support extends between the pair of linkage arms and is configured to move a plunger vertically with the pair of linkage arms.

The application provides a hydraulic control system for impact rotary drilling of a bedding machine, and belongs to the technical field of hydraulic control systems, and comprises a variable pump, a pilot oil source control valve group, a proportional multi-way valve, a shuttle valve I, a one-way pressure reducing valve, a shuttle valve II, a drilling machine pilot handle group, an impact rotary drilling machine, a bidirectional hydraulic lock and a drilling machine feeding oil cylinder. Through the hydraulic control system for impact rotary drilling of the bedding machine, the impact rotary drilling machine can be infinitely adjusted between double speeds, high-frequency impact or low-frequency impact operation can be flexibly used according to rock strata and geological conditions, the use range of the equipment is greatly improved, and the hydraulic control system can be used for high-hardness rock strata, weathered rock strata and hard and brittle geology. When low-frequency impact operation is performed, one-key linkage operation can be realized, that is, the drilling machine feeding, rotation and impact functions can be completed by operating the impact pilot handle.

The application discloses a high-efficiency rock breaking drill bit based on torsional impact, and belongs to the technical field of rock breaking tools. The high-efficiency rock breaking drill bit comprises a supporting shell, the inside of the supporting shell is fixedly connected with a mounting base plate, and one side of the mounting base plate is fixedly connected with a servo motor. The application is provided with a gas cleaning assembly, which is connected with a reciprocating push rod and comprises a connecting baffle, a piston sleeve, a piston rod, a piston plate, an air inlet pipe, an air inlet check valve, an air outlet pipe and an air outlet check valve. The gas compression and discharge are driven by the reciprocating movement of the impact mechanism, intermittent air blowing and cleaning are realized on one side of the broken drill bit, the reciprocating impact movement and the gas cleaning function are coupled through structural design, the cleaning operation can be realized by the kinetic energy of the impact mechanism itself, an independent cleaning power source does not need to be additionally arranged, the system redundancy is reduced, the rock debris is effectively removed through the intermittence of the reciprocating movement, the friction and wear are reduced, and the state of the drill bit continuously and efficiently breaking rocks is maintained.

The invention relates to the field of drilling, in particular to a coal face drilling device and method.The lower end of a drill rod is fixedly provided with a drill bit, the drill bit is internally provided with a high-pressure water chamber, the outer wall of the drill bit is provided with injection holes communicating with the bottom of the high-pressure water chamber, the drill rod is internally provided with a liquid inlet channel, and a vertically-extending transmission shaft is rotationally installed in the high-pressure water chamber; a water wheel is fixedly installed at the upper end of the transmission shaft, a movable column is vertically and slidably installed on the bottom wall of the driving cavity, the lower end of the movable column extends out of the drill bit and is provided with a hammer head, a transmission component connected with the transmission shaft and the movable column is arranged in the driving cavity, and the transmission shaft drives the movable column to vertically reciprocate through the transmission component when rotating; when the drill bit drills, high-pressure water is injected into the high-pressure water chamber through the liquid inlet channel, the water wheel is impacted by the high-pressure water and drives the transmission shaft to rotate, the curve groove in the cylindrical cam acts on the sliding pin and drives the sleeve to vertically move in a reciprocating mode, and the sleeve drives the hammer head to vertically move in a reciprocating mode through the movable column to continuously impact a coal seam.

The present application relates to a kind of multi-dimensional composite impactors for drilling, comprising: transmission stub; Tool housing, lower end is fixedly connected with transmission stub, tool housing has flow passage in it;Torsional impact component, it is located in the lower part of tool housing and includes pressure disc, center shaft fixed plate, hammer housing, center shaft, impeller, valve plate and hydraulic hammer;Axial impact component, it is located in the upper part of tool housing and is fixedly connected with torsional impact component by pressure disc, axial impact component includes shunt, nozzle, nozzle seat, hammer outer sleeve, valve sleeve, piston and impact hammer. By the multi-dimensional composite impactor of the present application, the rate of penetration of deep well ultra-deep well can be improved and the damage of stick-slip vibration to the drill string system can be reduced, the multi-dimensional composite impactor of the present application drives the movement of parts using drilling fluid, generates impact force in axial and torsional directions, thereby applying high-frequency axial-torsional coupled impact to the drill bit, improving rock breaking efficiency of the drill bit under impact load.

The invention provides a hole bottom rock breaking device applied to extraterrestrial celestial body deep drilling. The hole bottom rock breaking device comprises an ultrasonic generator, a cable, an electric slip ring, an ultrasonic transducer, a free mass block, a spiral drill rod and a drill bit. The ultrasonic generator generates ultrasonic energy and provides the ultrasonic energy to the ultrasonic transducer; the ultrasonic transducer is used for converting an input ultrahigh-frequency electric signal into ultrahigh-frequency mechanical vibration; the free mass block excites the ultrahigh-frequency ultrasonic vibration generated by the ultrasonic transducer to drive downwards to generate high-frequency collision with the spiral drill rod, so that the spiral drill rod and the drill bit move downwards to impact the rock, and the free mass block performs reciprocating high-frequency collision between the ultrasonic transducer and the spiral drill rod through reverse movement of impact counterforce; the spiral drill rod is connected with the bottom of the ultrasonic transducer, and energy generated by ultrahigh-frequency vibration of the ultrasonic transducer and high-frequency impact of the free mass block is transmitted downwards to the drill bit. And the drill bit acts the high-frequency-ultrahigh-frequency impact energy on the rock, and the rock is broken through continuous impact.

The invention belongs to the technical field of coal mine drilling, and particularly relates to drilling equipment and method for underground coal mine geological prospecting. The drilling equipment comprises a driving assembly, a console body is arranged on the driving assembly, a plurality of fixing assemblies are arranged below the driving assembly in an array mode, and a punching assembly is arranged on the driving assembly; the driving assembly comprises two bases, a plurality of fixing columns are fixedly connected to the upper end of the lower base in an array mode, and first electric telescopic rods are fixedly connected to the lower ends of the fixing columns. The pressure control assembly and the console are arranged, hydraulic oil flow division and pressure relief are achieved by adjusting the position of the sealing cover, sparks caused by too large impact force during hard rock stratum operation are avoided, and the underground anti-explosion requirement is met; the console monitors the moving speed of the drilling head in real time and intelligently adjusts the rotating speed of the motor and the telescopic mode of the hydraulic oil telescopic rod; a drilling head is protected in a low-speed and reciprocating impact mode in a hard rock stratum, efficient drilling is kept in a soft rock stratum, and different geological conditions are adapted.

The invention discloses a rotary drilling all-in-one machine and a using method, and belongs to the technical field of rotary drilling, the all-in-one machine comprises a frame, a rotary platform, a slewing bearing and a drilling mechanism, and the drilling mechanism is installed on the frame through the slewing bearing and can be driven by the rotary platform to integrally and horizontally rotate; the drilling mechanism comprises a first outer slide way capable of swinging in a pitching mode, a first inner slide way arranged in the first outer slide way in a sliding mode, a second outer slide way rotationally arranged at the front end of the first inner slide way, a second inner slide way arranged in the second outer slide way in a sliding mode and a pile hammer installed on the second inner slide way. And a plurality of driving devices for driving horizontal rotation, pitching swing, two-stage stretching and retracting, tail end swing and the pile hammer to work are further arranged. Through multi-degree-of-freedom cooperative movement, large-range and multi-angle accurate positioning and flexible operation of the pile hammer in a three-dimensional space are achieved, and the multi-degree-of-freedom pile hammer has the advantages of being compact in structure, good in rigidity, convenient and fast to operate, high in capacity of adapting to complex working conditions, high in construction efficiency and the like.

The invention relates to a device for generating vibrations for a construction machine, comprising a housing, a piston which is reversibly movable back and forth in a working chamber in the housing between a first reversal point and a second reversal point, a pressure fluid supply through which pressure fluid can be introduced and expelled into the working chamber in the region of the first reversal point and the second reversal point via at least one controllable control valve, wherein the piston can be set into a reversing motion to generate the vibrations, and a control unit which is designed to control the at least one control valve and through which the movement of the piston in the working chamber can be controlled and changed.According to the invention, the control unit is designed to control the piston in a first operating mode to generate vibrations and in a second operating mode to generate impact impulses, wherein a striking surface is formed on at least one end side of the working space, against which the piston strikes when reaching at least one reversal point to generate an impact impulse.

To provide a construction method and a construction device of a ground anchor capable of surely cutting the whole range in an outer casing.SOLUTION: This construction method of the ground anchor uses a rotary percussion type excavator having a cylindrical outer casing 12 for excavating the ground by rotating around an axis, and a shaft-like inner rod 14 arranged in the outer casing 12 and cutting the inside of the outer casing 12 by a cutting part 18 of the tip by rotating around the axis. A tip side 22 of the inner rod 14 is formed in a dogleg shape when viewed from a direction orthogonal to an axis C2 of a body 24 of the inner rod 14, and the whole range in the outer casing 12 is cut by the tip side 22 by rotating the body 24 around the axis C2.SELECTED DRAWING: Figure 1

The utility model provides a drilling machine power head which comprises a base and a plurality of gear boxes arranged on the base, a shaft hole is formed in the base, a main shaft located on the outer layer and a fiber tail located on the inner layer are arranged in the shaft hole, a center gear is arranged on the main shaft in a sleeved mode, and gear shafts meshed with the center gear are arranged in the gear boxes. A hydraulic motor is arranged on one side of the gearbox, the gear shaft is in transmission connection with the hydraulic motor, transmission tooth surfaces matched with each other are arranged on the inner surface of the main shaft and the outer surface of the fiber tail, a hydraulic hammer is arranged at the second end of the shaft hole, and an output shaft of the hydraulic hammer extends into the shaft hole and is in contact with the fiber tail; a spring groove is formed in the first end of the shaft hole, and a spring is arranged in the spring groove. The operation stability is improved, the situation that the whole structure is damaged due to long-term impact vibration operation is avoided, and meanwhile disassembly and maintenance are convenient.

The application relates to the technical field of drilling equipment, and discloses a novel tool face control speed increasing device, which comprises an outer cylinder, a connecting head, an intermediate cylinder, a shunt filtering pressure cap, a circumferential impact assembly, an upper supporting rotating assembly, a lower supporting rotating assembly and a lower joint, an installation ring groove is arranged on the outer side of the upper end of the lower joint, the intermediate cylinder is arranged above the installation ring groove, the outer cylinder is fixedly installed above the outer side of the lower end of the lower joint, and the connecting head is fixedly installed above the outer side of the upper end of the intermediate cylinder. The device has the advantages of reasonable and compact structure, convenient use, the shunt filtering pressure cap is arranged to avoid the core components from being eroded after drilling fluid, which has not been filtered, flows into the circumferential impact assembly through the shunt pressure cap, the upper PTC bearing and the lower PTC bearing are arranged to avoid the internal core components from being eccentrically worn when the device is eccentrically rotated, the upper damping spring and the lower damping spring are arranged to realize vibration filtering of the axial vibration, and the device has the characteristics of stability, reliability and long service life.

The invention relates to the technical field of coal seam tunneling, in particular to three-soft low-permeability coal seam gas anti-reflection equipment and a using method thereof, and provides the three-soft low-permeability coal seam gas anti-reflection equipment aiming at the problem that existing gas anti-reflection equipment cannot be flexibly adjusted according to the occurrence form, the thickness and the trend of a three-soft coal seam. A U-shaped plate capable of lifting up and down is arranged at the upper end of the moving trolley, a supporting plate capable of overturning up and down is arranged at the upper end of the U-shaped plate, a long rotating shaft capable of rotating is arranged at the upper end of the bottom plate, a drill bit is further arranged at the upper end of the bottom plate, and when the long rotating shaft rotates, the drill bit can move towards one side while rotating; the oscillating mechanism comprises an annular wheel, and when the annular wheel deflects, the long rotating shaft rotates so that the drill bit can oscillate while rotating and moving towards one side; the multi-angle drilling adjustment function can be achieved, the coverage and pertinence of gas anti-reflection are greatly improved, the reciprocating oscillation tunneling stroke can be adjusted according to the coal seam hardness, adaptability is extremely high, and safety is higher.

The rock stratum drilling equipment relates to the geological drilling field and comprises a supporting base frame, a guide frame slidingly connected to the inner end of the supporting base frame, two hydraulic push rods symmetrically arranged on the outer side of the top end surface of the supporting base frame, a drill rod arranged on the outer side of the bottom end surface of the guide frame, a protective auxiliary structure arranged on the inner side of the connecting position of the drill rod and the supporting base frame, a driving auxiliary mechanism arranged on the outer side of the top end surface of the stress auxiliary frame, a movable part slidingly connected to the lower end of the driving shaft, and a drilling auxiliary mechanism arranged on the inner side of the connecting position of the movable part and the stress auxiliary frame. Through the synchronous unfolding process of the protective frame on the outer side of the construction opening, the splashing of the debris and dust in the process of drilling the rock stratum is greatly avoided, the use safety of the equipment in the actual application process is ensured, and the problem that a large amount of debris and dust is generated in the process of drilling the rock stratum and unnecessary troubles and safety hazards are easily caused is solved.

The invention discloses an efficient water jet cutter device for guide hole construction of an ultra-long steel sheet pile of an inland waterway, and relates to the technical field of water conservancy projects, the efficient water jet cutter device comprises a water jet cutter pile body, the bottom of the water jet cutter pile body is provided with a composite barrier-breaking impact hammer assembly and a directional pressurizing water hammer assembly, and the water jet cutter pile body is constructed by means of the synergistic effect of the composite barrier-breaking impact hammer assembly and the directional pressurizing water hammer assembly. Efficient and accurate barrier breaking of inland waterway super-long steel sheet pile guide hole construction is achieved, guide hole operation is more stable and reliable, namely, the composite barrier breaking punch hammer assembly can directly break hard rock and huge gravels by means of mechanical kinetic energy converted by high-frequency vibration through the composite motion of linear impact and rotary cutting, and can dynamically adapt to resistance changes in a complex stratum, so that the construction efficiency is improved. And meanwhile, the bottleneck of energy dispersion of a traditional fixed nozzle is broken through through cooperation between a conical guide sleeve and a sliding block of the directional pressurizing water hammer assembly and cooperation of a pressurizing cavity, and high-pressure jet flow is accurately aligned to the tip of a rock crack through mechanical linkage during impact of an impact hammer.

To provide a drilling machine having deeper drilling capacity.SOLUTION: A drilling machine 1 includes a bit 111 for drilling, a down-the-hole hammer 112 that applies a striking force to the bit 111, a boring rod 113 that transmits a rotational force to the bit 111, a casing 12 that is installed in a hole during drilling, a lid member 13 that is provided on an upper portion of the casing 12 and covers a space between the upper portion of the casing 12 and the boring rod 113, and a suction device 14 that discharges slime generated during drilling from a discharge port 131 provided in the lid member 13.SELECTED DRAWING: Figure 2

The invention discloses an adjustable and controllable impact acceleration tool and a control method, and belongs to the technical field of drilling tools, the adjustable and controllable impact acceleration tool comprises a shell, a piston assembly, a turntable assembly and an impact assembly; the piston assembly is arranged in the shell; the impact assembly is arranged in the shell and located below the piston assembly. One end of the turntable assembly is in sliding connection with the piston assembly, and the other end of the turntable assembly is sleeved in the impact assembly; the piston assembly comprises a piston, a spring and a piston lower sleeve; the piston is provided with a central hole and is connected with one end of the piston lower sleeve; a sliding block is arranged at the bottom of the inner wall of the piston lower sleeve; the other end of the piston lower sleeve is slidably connected with the turntable assembly through a sliding block. The adjustable and controllable impact speed increasing tool is of a pure mechanical structure, is free of any electronic element and is high in reliability; the tool can be continuously switched among three working modes of closing, low-gear output and high-gear output in a ball throwing triggering mode.

A state-adaptive turbine pulse generator (100) comprises: a pulse generating device (2) comprising a turbine housing (21), a turbine shaft (22) concentrically arranged inside the turbine housing (21), a turbine mechanism sleeved on the turbine shaft (22), and a valve disc mechanism arranged at the lower end of the turbine shaft (22), the turbine mechanism being capable of driving the turbine shaft (22) to rotate under the action of drilling fluid, so that the flow area of the valve disc mechanism periodically changes to generate pressure pulses; an automatic control mechanism (1) for controlling the state of the pulse generating device (2); wherein the automatic control mechanism (1) is configured to enable the turbine shaft (22) to be circumferentially stationary relative to the turbine housing (21) during composite drilling, so that the pulse generating device (2) is in a non-working state, and enable the turbine shaft (22) to rotate relative to the turbine housing (21) under the action of the turbine mechanism during sliding drilling, so that the pulse generating device (2) is in a working state.

The application provides a hydraulic control system of a floor machine integrating breaking and impact rotary drilling, and belongs to the technical field of hydraulic control systems, and comprises a variable pump, a pilot oil source control valve group, a proportional multi-way valve I, a drilling machine pilot handle group, an impact rotary drilling machine, a bidirectional hydraulic lock, a drilling machine feeding oil cylinder, a breaking hammer pilot handle, a foot pedal pilot valve I, a foot pedal pilot valve II, a roller control protection valve, a right walking driving motor, a left walking driving motor, a breaking hammer control valve and a proportional multi-way valve II. The hydraulic control system of the floor machine integrating breaking and impact rotary drilling can be applied to a floor machine of a fully mechanized coal mining face in a coal mine underground, and is used for impact drilling during floor heave maintenance, side wall and top anchor rod supplementing or wall maintenance. When the impact rotary drilling machine works, the floor machine cannot walk and the breaking hammer cannot work, so that the safety performance of the whole floor machine is ensured.

The utility model provides a porous water pumping test device, which belongs to the technical field of underground water exploration and comprises a fixed table and a plurality of support plates arranged on the outer side of the fixed table. And the drilling mechanism comprises a driving assembly which is arranged on the outer surfaces of the supporting plates and can switch different drilling modes according to different soil hardness, and a regulation and control assembly which is arranged on the outer surface of the fixing table and used for controlling the multiple supporting plates and the driving assembly to conduct lifting and variable-pitch movement. According to the utility model, through the cooperation of all parts in the driving assembly and the regulation and control assembly, not only can the spacing of a plurality of drill rods be flexibly adjusted to adapt to the porous distribution requirement and meet the diversified pumping test requirements, but also the working modes of the drill rods can be freely switched according to different terrain environments; through the pumping test of the submersible pump, the key hydrogeological parameters of the aquifer, such as the permeability coefficient, the water diversion coefficient and the specific yield, can be accurately calculated, the groundwater resource potential is effectively evaluated through the parameters, and the foundation of a development scheme is formulated.

The application discloses a high-efficiency soil working machine tool, and belongs to the technical field of working machine tools. The machine tool comprises a main machine shell, a magnetic transmission assembly, a rotary impact assembly, a transmission assembly, a knocking assembly and a locking assembly. The magnetic transmission assembly provides overload slip protection while transmitting torque through a magnetic coupling structure; the rotary impact assembly receives rotary power to drive a drilling tool to work; the transmission assembly reversely transmits part of power to the knocking assembly, which is converted into linear reciprocating motion to knock the drilling tool at a high frequency. The locking assembly is arranged in the magnetic transmission assembly, and an inertial trigger unit thereof generates a relative lag angle based on a change in rotary angular acceleration. A controlled driving floating lock unit axially extends and is clamped when a main shaft is braked, forming a mechanical rigid connection to overcome the rotary inertia of the drilling tool and achieve braking. The composite output of rotary cutting and reciprocating knocking is realized, the working efficiency is improved, and the inertial rotation problem of the magnetic transmission under the shutdown working condition is solved by using an inertial self-locking mechanism.

This utility model discloses a drilling sleeve device for mining, including a header, a drill barrel, a spindle, a bracket, a feed header, a drive mechanism, and a hydraulic cylinder. The drill barrel is movably installed inside the header. The front end of the spindle is coaxially connected to the drill barrel via a center drill. The bracket is rotatably connected to the spindle via bearings, and both ends of the bracket are slidably connected to the header. The feed header is fixedly connected to the header. The drive mechanism includes a motor and a slide block. The motor is fixed to the slide block, and the motor output shaft is connected to the spindle. The slide block is slidably connected to the feed header. The cylinder body of the hydraulic cylinder is fixed inside the header, and the piston rod is connected to the motor of the drive mechanism. The base is fixedly connected to the feed header. This utility model adopts a double-protrusion-slide groove fit between the bracket and the slide block to form a two-stage axial guide. It synchronously constrains radial displacement from the middle of the spindle and the drive end, significantly suppressing drilling vibration, reducing wear on the drill barrel and drill rod, and improving drilling accuracy and equipment life.

The application provides a lubrication control system of a percussion rotary drilling machine, and belongs to the technical field of hydraulic control systems, and comprises a variable pump, a proportional valve, a pilot handle, a percussion rotary drilling machine, a shuttle valve, a speed regulating valve, a hydraulic pilot valve, an air source and a lubrication driving device; the percussion rotary drilling machine is used to replace the rotary drilling machine, so as to adapt to high-hardness rock strata, weathered rock strata and hard and brittle geology; the rotation action of the percussion rotary drilling machine is linked with the starting of lubricating oil, so that automatic lubrication is realized after the percussion rotary drilling machine is started, the problem of untimely lubrication is avoided, the lubrication effect of the drilling machine is improved, the reliability of the rotation of the drilling machine is ensured, and the equipment failure rate is reduced.