CN111927300A

CN111927300A - Drilling machine adopting speed-adjustable power head and using method thereof

Info

Publication number: CN111927300A
Application number: CN202010744650.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2020-11-13

Abstract

The invention belongs to the technical field of drilling machine equipment, and particularly relates to a drilling machine adopting a speed-adjustable power head, which comprises two sliding block devices, a double-row chain guide rail device, a lifting arm device, a guide sleeve device, a power head device and a deflection device; the power head device comprises a power head main body, a first hydraulic motor, a second hydraulic motor, a drill rod and a change-over valve, wherein two motor connecting parts are arranged at the top of the power head main body, and the change-over valve switches the connection mode of the first hydraulic motor and the second hydraulic motor in parallel and series. The first hydraulic motor and the second hydraulic motor are combined in series connection and parallel connection, the problem of insufficient power of a single power head is solved ingeniously, and the invention also discloses a using method of the drilling machine adopting the speed-adjustable power head, which comprises the steps of adjusting a deflection device, adjusting the position of a drill boom, adjusting the power and the like.

Description

Drilling machine adopting speed-adjustable power head and using method thereof

Technical Field

The invention belongs to the technical field of drilling machine equipment, and particularly relates to a drilling machine adopting a speed-adjustable power head and a using method thereof.

Background

The drilling machine is widely used for drilling of prospecting, railways, highways, bridges, water conservancy and hydropower, tunnels, wells, anchor rods, small-caliber diamond core wire coring drilling, industrial and civil construction, engineering geological exploration, ground source hot drilling, coal bed gas drilling, outburst prevention drilling machines and the like.

The rotary drilling machine is a comprehensive drilling machine and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like, and when the rotary drilling machine works, a power head on the rotary drilling machine drives a drill rod to perform drilling and digging work; the core drilling machine is widely used for drilling of prospecting, railways, roads, bridges, water conservancy and hydropower, tunnels, wells, anchor rods, small-caliber diamond core wire core drilling, industrial and civil construction, engineering geological exploration, ground source hot drilling, coal bed gas drilling, outburst prevention drilling machines and the like.

Chinese patent No. CN110921940A discloses a rotary drilling rig power head, which comprises a power head, wherein a fixed frame is fixed at the rear side of the power head, a fixed seat is arranged outside the fixed frame, one side of the fixed seat, which is close to the power head, is provided with a mounting groove matched with the fixed frame, a fixed component connected with the fixed frame is arranged in the fixed seat, a sliding plate is arranged at the rear side of the fixed seat, a U-shaped seat connected with the fixed seat in a sliding manner is fixed on the sliding plate, fixed plates are respectively fixed at the top and the bottom of the U-shaped seat, a fixed disc is fixed at the rear side of the fixed seat, a damping component fixed between the two fixed plates is arranged outside the fixed disc, the fixed component comprises a screw rod rotatably arranged between the upper side and the lower side of the fixed seat, the upper end of the screw rod penetrates through the, the invention has the characteristics of convenient disassembly and assembly and stable work.

In the existing drilling equipment, a single power head is adopted, so that the drilling efficiency is low under the condition that power is insufficient in some places with higher soil and rock hardness; in order to solve the problem, hydraulic motors with high power are adopted on power heads of some drilling machines, so that power is excessively wasted in places with low hardness of soil and rocks.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a drilling machine adopting a speed-adjustable power head and a using method thereof, which are used for solving the problems that the power of a single power head of the existing device is insufficient and a hydraulic motor with larger power is excessively wasted; each step of the using method can work independently, and one control unit or device can be adjusted independently according to needs during adjustment, so that the operability of the invention is improved.

In order to solve the technical problems, the invention adopts the following technical scheme: a drilling machine adopting a speed-adjustable power head comprises two slide block devices, a double-row chain guide rail device, a lifting arm device, a guide sleeve device, a power head device and a deflection device;

the power head device comprises a power head main body, a first hydraulic motor, a second hydraulic motor, a drill rod and a change-over valve, wherein two motor connecting parts are arranged at the top of the power head main body, the two hydraulic motors are respectively connected with the two motor connecting parts, the change-over valve is arranged on the power head main body and is connected with the first hydraulic motor, the second hydraulic motor and the power head main body, the drill rod penetrates through the power head main body and is respectively connected with the first hydraulic motor and the second hydraulic motor, and the change-over valve switches the connection modes of the first hydraulic motor and the second hydraulic motor in parallel connection and series connection;

the motor connecting part comprises a positioning table and a first sealing plate, the positioning table is mounted on the power head main body, the first hydraulic motor and the second hydraulic motor are respectively mounted on the upper part of the positioning table in parallel through the first sealing plate, and the change-over valve is mounted outside the power head main body;

two hydraulic oil pipes and a regulating handle are mounted on the conversion valve, the first hydraulic motor, the second hydraulic motor and the conversion valve are connected through the hydraulic oil pipes, the regulating handle is mounted on the side face of the conversion valve, and the regulating handle controls oil return of the hydraulic motors;

the guide sleeve device with the unit head device respectively through one the slider device with lift arm device sliding connection, the guide sleeve device with the unit head device can be dismantled the connection, and two when the slider device slided, the guide sleeve device with synchronous motion is to the unit head device, double chain guide device installs inside the lift arm device, the lift arm device is installed deflection device upper portion.

The first hydraulic motor and the second hydraulic motor are combined in series connection and parallel connection, so that the problems that the single power head is insufficient in power and the hydraulic motor with high power is excessively wasted are solved skillfully, the energy is saved, and the drilling machine is finished; the change-over valve can adjust the first hydraulic motor and the second hydraulic motor to change the oil return action, so that series connection or parallel connection is realized to meet different power requirements, the two hydraulic motors can be adjusted to be in series connection through the change-over valve, the torque is low, the speed is increased, and the larger power requirement is met; two hydraulic motors can be adjusted to be in parallel connection through a conversion valve, so that the torque and the low speed are increased; the power-saving device is suitable for different drilling tools, achieves the purpose of reasonably utilizing power, and does not waste power or cause the condition of insufficient power.

Further, install the second closing plate on first hydraulic motor and the second hydraulic motor, first closing plate with the second closing plate is connected side by side, first hydraulic motor and second hydraulic motor are installed side by side, the hydraulic pressure oil pipe and the change-over valve of first hydraulic motor and second hydraulic motor are connected. The combined connection of the positioning table and the sealing plate ensures that the installation and the matching between the hydraulic motor and the main body are more effective, and the reliability of the whole device is improved.

Further, a second sealing plate is mounted on the first hydraulic motor and the second hydraulic motor, the first sealing plate is connected with the second sealing plate in an overlapping mode, the first hydraulic motor and the second hydraulic motor are mounted in an overlapping mode, a hydraulic oil pipe of the first hydraulic motor is connected with the second hydraulic motor, and a hydraulic oil pipe of the second hydraulic motor is connected with the change-over valve. Besides using the switching valve, the installation mode of the first hydraulic motor and the second hydraulic motor can be directly adjusted, the manual control of the motors in series or in parallel is achieved, and the switching valve is an alternative after failure.

Furthermore, the power head main body comprises a shaft shell, a first bearing ring, a power shaft fixing head and a second bearing ring, wherein the shaft shell is further arranged on the power head main body;

the shaft shell comprises a connecting piece arranged on the back, and a supporting seat comprises a first pressure reducing hole arranged on the supporting seat;

the power head device comprises a power head base, wherein a second pressure reducing hole is formed in the power head base, a regulating sheet is arranged on the side face of the power head base, the regulating sheet comprises a small hole, and the regulating sheet is connected with the power head base through a bolt structure.

The first bearing ring can be connected with the drill rod, so that the power head of the drilling machine can exert force on the drill rod, and the action of the power head of the drilling machine can be better embodied; the connecting part on the back of the drill power head is used for better stabilizing the drill power head and ensuring that the power of the drill power head can be more stable, continuous and effective; the round hole above unit head base and the supporting seat aligns, recycles the bolt and just can let the main part be fixed in on the base, makes the effect performance of rig unit head more stable, and the aperture that sets up above the adjustment sheet can adjust the length of base, makes the unit head possess more flexibility.

Furthermore, the upper part and the bottom of the power head base are respectively provided with a fixing hole.

A fixing shaft can penetrate through the middle of the two fixing holes, so that the whole power head of the drilling machine can be fixed with other parts of the drilling machine to form a whole, and the working efficiency is improved.

Further, the slider device includes including the nylon sliding block and includes with the nylon sliding block seat, the nylon sliding block is located nylon sliding block seat below to in nylon sliding block seat fixed connection, the nylon sliding block includes including with the lug on including, the sliding tray includes one side including being located the nylon sliding block, the lug includes and includes both ends fixed connection with the nylon sliding block seat, just the lug includes outside one side including being located the nylon sliding block, the nylon sliding block seat includes and includes fixed connection with the power head base with the nylon sliding block.

One of the slide block devices adopts a guide rail fixing mode of a nylon slide block, and the stress groove is utilized, so that the force borne by the guide rail can be reduced when the guide rail is used, and the guide rail is more stable and durable; one of the slide block devices adopts a guide rail fixing mode of a nylon slide block, and the slide firmware is connected with the guide rail through the nylon slide block, so that time and labor are saved during assembly and maintenance, the efficiency is high, and the connection is stable; one kind of slider device adopts the guide rail fixed mode of nylon sliding block, utilizes fixing bolt can be used for adjusting the clearance between nylon sliding block and the guide rail, reduces the mutual wearing and tearing between guide rail and the part, improves the work efficiency of guide rail and makes more durable of guide rail.

Further, double chain guide device includes guide holder, movable pulley group guide rail, the flexible hydro-cylinder of chain, movable pulley group, first double chain and the double chain of second on guide holder, chain guide pulley, the chain under the chain, movable pulley group locates in the movable pulley group guide rail, the one end fixed connection of first double chain is in guide holder under the chain, the other end of the double chain of second is walked around the chain guide pulley in the guide holder on the chain and is connected with the upper end of unit head device, just the central axis of drilling rod is mutually perpendicular with the central line of unit head base.

The hydraulic cylinder drives the movable pulley block to slide up and down in the movable pulley block guide rail to drive the double-row chain to stretch, so that the double-row chain drives the power head base to slide up and down on the guide rail to realize the drilling function of the drill rod; the oil cylinder drives the chain to stretch, so that the stroke of the hydraulic cylinder is shortened, and the working stroke of the equipment can be lengthened; the chain connection is easier to install, maintain and replace than the traditional lifting arm; the double chain wheels are adopted, so that the wheel interval is shortened, the transmission is more stable, the material is saved, and the cost is reduced.

Further, the lifting arm device comprises a drill boom, a drill boom fixing seat, a drill boom supporting seat, a drill boom lifting oil cylinder and a drill boom guide rail, wherein the drill boom is movably connected with the drill boom guide rail, the drill boom lifting oil cylinder is further connected with a drill boom lifting rod in a sliding mode, the free end of the drill boom lifting rod is movably connected with the top of the drill boom through a fixing seat on the hydraulic oil cylinder, the drill boom fixing seat is fixedly connected with the drill boom supporting seat, and the power head device is connected with the drill boom guide rail in a sliding mode through a nylon sliding block.

The hydraulic oil cylinder is additionally arranged on the drill boom, and a fixer and a ship driver which are related to the hydraulic oil cylinder are arranged on the drill boom, so that the lifting function of the drill boom is realized by controlling the lifting of the hydraulic oil cylinder, and the drill boom is further provided with a fixing device, so that the drill boom can be fixed while the lifting function is ensured, the working stability of the drill boom is improved, the hydraulic oil cylinder can enable the drill boom to extend to the ground and play a supporting role during drilling, a large boom lifting hydraulic oil cylinder is additionally arranged on the back of the drill boom, and the lifting of the large boom is controlled by the extension and contraction of the; thereby ensuring the stability of the drilling machine and the qualification rate of the formed holes during drilling.

Further, the uide bushing device includes that the bracket component includes, the uide bushing includes, the drilling rod guiding flange includes and the fixing base includes, the fixing base includes sliding connection on the bracket component includes, the uide bushing includes including installing in the fixing base, the drilling rod include through the drilling rod guiding flange include with the uide bushing is including connecting, just the drilling rod is including passing the centre bore that the drilling rod guiding flange includes and rather than swing joint.

The dust-proof device capable of lifting and replacing the guide sleeve of the drill rod is added, the dust catching cover cannot shield the drill rod when the drill rod moves up and down, alignment is convenient, the guide sleeve can ensure the verticality of the drill rod when the drill rod works, so that the verticality of formed holes is ensured, the guide sleeve can be replaced, and the dust-proof device is suitable for different drilling tools and ensures the tightness of the drilling tools; the dust catching cover can well cover generated dust during drilling, improve the working environment and meet the requirement of better environmental protection standard.

The use method of the drilling machine adopting the speed-adjustable power head comprises the following steps:

s1: the adjusting deflection device comprises a base, a first sliding unit, an angle adjusting unit, a deflection unit, a first hydraulic oil cylinder and a first telescopic rod, wherein the first sliding unit is arranged on the upper portion of the base and synchronously moves with the deflection unit;

the deflection device also comprises a second hydraulic cylinder and a second telescopic rod, and the second hydraulic cylinder drives the second telescopic rod to do telescopic motion, so that the vertical inclination angle of the lifting arm device is adjusted, and the adjustment of the vertical inclination angle of the deflection device is realized;

the angle and the position of the lifting arm device are adjusted to be perpendicular to the construction ground through the coordination of the first sliding unit, the angle adjusting unit and the deflection unit;

s2: the drill boom comprises a position adjusting device, the lifting arm device comprises a drill boom adjusting device, a drill boom lifting rod device and a guide sleeve telescopic oil cylinder device, wherein the drill boom lifting rod device comprises a drill boom guide rail, the drill boom lifting oil cylinder device comprises a guide sleeve telescopic oil cylinder, the drill boom lifting oil cylinder device is movably connected with the drill boom guide rail, the drill boom lifting oil cylinder device is connected with the drill boom lifting rod in a sliding mode, and the free end of the drill boom lifting rod device is movably connected with the top of the drill boom through a fixed seat on a hydraulic oil cylinder;

the drill boom lifting function is realized by adjusting the drill boom lifting rod to comprise and adjusting the drill boom lifting oil cylinder to comprise, the transmission of the lifting oil cylinder to the drill boom lifting function is realized by adjusting the hydraulic oil cylinder upper fixing seat to comprise and sliding connection relation with the drill boom guide rail to comprise with the hydraulic oil cylinder lower fixing seat, and the position of the drill boom to be included is adjusted by adjusting the telescopic oil cylinder to comprise and adjusting the drill boom to comprise and adjusting the drill;

s3: the device is moved to a position needing drilling, the required verticality is kept, then the drill rod is aligned to the position of the drilling, the power head device is started, and drilling can be carried out, in the process, the drill rod is ensured to penetrate through the guide sleeve and the drill rod guide flange, the telescopic assembly can adjust the heights of the guide sleeve and the drill rod guide flange, the fixed seat and the dust catching cover which are related to the guide sleeve according to the drilling depth, and the dust catching cover just covers the drilling hole of the drill rod;

s4: the power is adjusted, the adjusting handle on the change-over valve is adjusted, the first hydraulic motor and the second hydraulic motor are adjusted to change the oil return effect, so that the first hydraulic motor and the second hydraulic motor are connected in series or in parallel, and the series connection and the parallel connection can be realized by changing the installation mode of the first hydraulic motor and the second hydraulic motor;

s5: in the preparation stage, the chain telescopic oil cylinder contracts, the pulley block moves upwards in the movable pulley block guide rail, the first double-row chain and the second double-row chain drive the power head device to slide upwards and downwards in the drill boom guide rail, the drill rod is driven to work by the gravity, and the drill rod rises;

s6: in the operation stage, the chain telescopic oil cylinder extends, the pulley block moves downwards in the movable pulley block guide rail, the first double-row chain and the second double-row chain drive the power head device to slide downwards in the drill boom guide rail, and the drill rod vertically descends.

The working principle and the advantages of the invention are as follows:

(1) the first hydraulic motor and the second hydraulic motor are combined in series connection and parallel connection, so that the problems that the single power head is insufficient in power and the hydraulic motor with high power is excessively wasted are solved skillfully, the energy is saved, and the task of the drilling machine is completed; the combined connection of the positioning table E102 and the sealing plate E103 ensures that the hydraulic motor E104a and the main body E101 are more effectively installed and matched, and the reliability of the whole device is improved;

(2) the change-over valve can adjust the first hydraulic motor and the second hydraulic motor to change the oil return action, so that series connection or parallel connection is realized to meet different power requirements, the two hydraulic motors can be adjusted to be in series connection through the change-over valve, the torque is low, the speed is increased, and the larger power requirement is met; two hydraulic motors can be adjusted to be in parallel connection through a conversion valve, so that the torque and the low speed are increased; the device is suitable for different drilling tools, achieves the purpose of reasonably utilizing power, does not waste power, and does not have the condition of insufficient power; besides using the change-over valve, the installation modes of the first hydraulic motor and the second hydraulic motor can be directly adjusted, so that the motors can be manually controlled to be connected in series or in parallel, and the change-over valve is an alternative scheme after the change-over valve fails;

(3) the first bearing ring can be connected with the drill rod, so that the power head of the drilling machine can exert force on the drill rod, and the action of the power head of the drilling machine can be better embodied; the connecting part on the back of the drill power head is used for better stabilizing the drill power head and ensuring that the power of the drill power head can be more stable, continuous and effective; the power head base is aligned with the round holes in the supporting seat, the main body can be fixed on the base by using bolts, so that the action of the power head of the drilling machine can be exerted more stably, and the length of the base can be adjusted by the small holes in the adjusting sheet, so that the power head has more flexibility;

(4) a fixing shaft can penetrate through the middle of the two fixing holes, so that the whole power head of the drilling machine can be fixed with other parts of the drilling machine to form a whole, and the working efficiency is improved;

(5) one of the slide block devices adopts a guide rail fixing mode of a nylon slide block, and the stress groove is utilized, so that the force borne by the guide rail can be reduced when the guide rail is used, and the guide rail is more stable and durable; one of the slide block devices adopts a guide rail fixing mode of a nylon slide block, and the slide firmware is connected with the guide rail through the nylon slide block, so that time and labor are saved during assembly and maintenance, the efficiency is high, and the connection is stable; one of the slide block devices adopts a guide rail fixing mode of a nylon slide block, and a fixing bolt can be used for adjusting a gap between the nylon slide block and the guide rail, so that the mutual abrasion between the guide rail and a component is reduced, the working efficiency of the guide rail is improved, and the guide rail is more durable;

(6) the hydraulic cylinder drives the movable pulley block to slide up and down in the movable pulley block guide rail to drive the double-row chain to stretch, so that the double-row chain drives the power head base to slide up and down on the guide rail to realize the drilling function of the drill rod; the oil cylinder drives the chain to stretch, so that the stroke of the hydraulic cylinder is shortened, and the working stroke of the equipment can be lengthened; the chain connection is easier to install, maintain and replace than the traditional lifting arm; the double chain wheels are adopted, so that the wheel spacing is shortened, the transmission is more stable, the material is saved, and the cost is reduced;

(7) compared with the prior art, the hydraulic oil cylinder, the fixer related to the hydraulic oil cylinder and the ship driver are additionally arranged on the drill boom, the lifting function of the drill boom is realized by controlling the lifting of the hydraulic oil cylinder, the drill boom is fixed while the lifting function is ensured, the stability of the drill boom during working is improved, the hydraulic oil cylinder can enable the drill boom to extend to the ground and play a supporting role during drilling, the large boom lifting hydraulic oil cylinder is additionally arranged on the back of the drill boom, and the hydraulic oil cylinder is used for controlling the lifting of the large boom in a telescopic mode; thereby ensuring the stability of the drilling machine and the qualification rate of the formed holes during drilling;

(8) the dust-proof device capable of lifting and replacing the guide sleeve of the drill rod is added, the dust catching cover cannot shield the drill rod when the drill rod moves up and down, alignment is convenient, the guide sleeve can ensure the verticality of the drill rod when the drill rod works, so that the verticality of formed holes is ensured, the guide sleeve can be replaced, and the dust-proof device is suitable for different drilling tools and ensures the tightness of the drilling tools; the dust catching cover well covers generated dust during drilling, improves the working environment and meets the requirement of better environmental protection standard;

(9) the deflection device has simple structure, convenient operation, stability, reliability and long service life; the deflection unit is in rolling connection by adopting a rotary support bearing, so that the structure is more compact, the occupied space is small, and the deflection unit can work in a smaller construction space; the first sliding unit, the angle adjusting unit, the deflection unit and the second sliding unit are coordinated and matched, so that the drill bit is perpendicular to the construction ground, the drilling machine can adapt to most construction sites, and the adaptability of the working site of the drilling machine is improved;

(10) the method is convenient to operate, simple and understandable, and operators can be skillfully mastered through simple training; each step of the using method can work independently, and one control unit or device can be adjusted independently according to needs during adjustment, so that the operability of the invention is improved.

Drawings

FIG. 1 is a schematic illustration of a front view of a power head assembly in an embodiment of a drill utilizing an adjustable speed power head in accordance with the present invention;

FIG. 2 is a schematic perspective view (view one) of a power head apparatus of an embodiment of a drilling machine employing an adjustable speed power head according to the present invention;

FIG. 3 is a schematic perspective view (view two) of a power head apparatus of an embodiment of a drilling machine employing an adjustable speed power head according to the present invention;

FIG. 4 is a schematic perspective view of a power head assembly of an embodiment of a drill utilizing an adjustable speed power head in accordance with the present invention (see FIG. 3);

FIG. 5 is a schematic left side view (view one) of a power head apparatus of an embodiment of a drill utilizing an adjustable speed power head in accordance with the present invention;

FIG. 6 is a schematic left side view (view two) of a power head apparatus of an embodiment of a drilling machine employing an adjustable speed power head in accordance with the present invention;

FIG. 7 is a schematic perspective view of a slider assembly for a drill utilizing an adjustable speed power head in accordance with an embodiment of the present invention;

FIG. 8 is a schematic front view of a dual row chain guide device in an embodiment of a drilling machine employing an adjustable speed power head in accordance with the present invention;

FIG. 9 is a schematic front view of a lift arm assembly for a drilling rig employing an adjustable speed power head in accordance with an embodiment of the present invention;

FIG. 10 is a front view of a guide sleeve assembly for a drill utilizing an adjustable speed power head in accordance with an embodiment of the present invention;

FIG. 11 is a front view of a deflector assembly for use in an embodiment of a drilling machine employing an adjustable speed power head in accordance with the present invention;

FIG. 12 is a schematic diagram of a right side view of an embodiment of a drill utilizing an adjustable speed power head in accordance with the present invention;

reference numerals in the drawings of the specification include: a power head device E; a power head body E101; a positioning stage E102; a first seal plate E103; the first hydraulic motor E104 a; the second hydraulic motor E104 b; a hydraulic oil pipe E105; the switching valve E106; an adjustment handle E107; a shaft housing E108; a first bearing ring E109; a power shaft fixing head E110; a second bearing ring E111; a second sealing plate E112; a connecting piece E201; a support seat E202; a power head base E203; a fixing hole E204; a tab E205; a drill rod E301;

a slider device A; a nylon slider seat A103; a nylon slider A104; bump a104 b; sliding groove a104 a;

a double-row chain guide rail device B; a chain lower guide B3; chain guide pulley B4; a first duplex chain B5; a chain upper guide seat B6; a second double-row chain B7; a movable pulley block B9; a movable pulley block guide rail B10; a chain telescopic oil cylinder B11;

a lift arm device C; a fixed seat C1 on the hydraulic oil cylinder; drill boom C2; boom hoist rods C3; drill boom support seat C4; a hydraulic oil cylinder lower fixing seat C5; boom rail C6; boom hoist cylinders C9; a cylinder lower retainer C10; an oil cylinder upper fixer C11; drill arm fixing seats C12; a guide sleeve telescopic oil cylinder C13;

a guide sleeve device D; bracket assembly D3; a dust-catching hood D4; a guide sleeve D12; drill pipe guide flange D13; a fixed seat D14;

a deflection device F; base F1; the first slide unit F2; an angle adjusting unit F3; a deflection unit F4; the second slide unit F5; a first hydraulic ram F21; a first telescopic rod F22; a second hydraulic cylinder F31; a second telescopic bar F32.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

The first embodiment is as follows:

as shown in fig. 1 to 12, a drilling machine using a speed-adjustable power head comprises two slide block devices a, a double-row chain guide device B, a lifting arm device C, a guide sleeve device D, a power head device E and a deflection device F;

the power head device E comprises a power head body E101, a first hydraulic motor E104a, a second hydraulic motor E104b, a drill rod E301 and a switching valve E106, wherein two motor connecting parts are arranged at the top of the power head body E101, the two hydraulic motors E104a are respectively connected with the two motor connecting parts, the switching valve E106 is installed on the power head body E101, the switching valve E106 is connected with the first hydraulic motor E104a, the second hydraulic motor E104b and the power head body E101, the drill rod E301 penetrates through the power head body E101 to be respectively connected with the first hydraulic motor E104a and the second hydraulic motor E104b, and the switching valve E106 switches the connection modes of the first hydraulic motor E104a and the second hydraulic motor E104b in parallel connection and series connection;

the motor connecting part comprises a positioning table E102 and a first sealing plate E103, the positioning table E102 is installed on the power head main body E101, a first hydraulic motor E104a and a second hydraulic motor E104b are respectively installed on the upper part of the positioning table E102 in parallel through the first sealing plate E103, and a switching valve E106 is installed outside the power head main body E101;

two hydraulic oil pipes E105 and a regulating handle E107 are mounted on the switching valve E106, the first hydraulic motor E104a, the second hydraulic motor E104b and the switching valve E106 are connected through the hydraulic oil pipes E105, the regulating handle E107 is mounted on the side surface of the switching valve E106, and the regulating handle E107 controls the oil return of the hydraulic motor E104 a;

the guide sleeve device D and the power head device E are respectively connected with the lifting arm device C in a sliding mode through a slider device A, the guide sleeve device D is detachably connected with the power head device E, when the two slider devices A slide, the guide sleeve device D and the power head device E move synchronously, the double-row chain guide rail device B is installed inside the lifting arm device C, and the lifting arm device C is installed on the upper portion of the deflection device F.

The first hydraulic motor E104a and the second hydraulic motor E104b are combined in series and parallel, so that the problems of insufficient power of a single power head and excessive waste of the hydraulic motor with high power are solved skillfully, energy is saved, and a drilling machine is completed; the switching valve E106 can adjust the first hydraulic motor E104a and the second hydraulic motor E104b to change the oil return action, so that series connection or parallel connection is realized to meet different power requirements, and the two hydraulic motors can be adjusted to be in series connection through the switching valve E106, so that the torque is low, the speed is increased, and the larger power requirement is met; two hydraulic motors can be adjusted to be in parallel connection through a change-over valve E106, so that the torque is increased, and the speed is low; the power-saving device is suitable for different drilling tools, achieves the purpose of reasonably utilizing power, and does not waste power or cause the condition of insufficient power.

Preferably, the first hydraulic motor E104a and the second hydraulic motor E104b are further provided with a second seal plate E112, the first seal plate E103 is connected to the second seal plate E112 in parallel, the first hydraulic motor E104a is connected to the second hydraulic motor E104b in parallel, and the hydraulic oil pipe E105 of the first hydraulic motor E104a and the second hydraulic motor E104b is connected to the switching valve E106. The combination connection of the positioning table E102 and the first sealing plate E112 ensures that the installation and matching among the first hydraulic motor E104a, the second hydraulic motor E104b and the power head main body E101 are more effective, and the reliability of the whole device is improved.

Preferably, the first hydraulic motor E104a and the second hydraulic motor E104b are further provided with a second seal plate E112, the first seal plate E103 is connected to the second seal plate E112 in an overlapping manner, the first hydraulic motor E104a is connected to the second hydraulic motor E104b in an overlapping manner, the hydraulic oil pipe E105 of the first hydraulic motor E104a is connected to the second hydraulic motor E104b, and the hydraulic oil pipe E105 of the second hydraulic motor E104b is connected to the switching valve E106. Instead of using the switching valve E106, the installation of the first hydraulic motor E104a and the second hydraulic motor E104b can be directly adjusted to achieve manual control of the motors in series or in parallel, which is an alternative to the failure of the switching valve E106.

Preferably, the power head body E101 is further provided with a shaft housing E108, a first bearing ring E109, a power shaft fixing head E110 and a second bearing ring E111, the first bearing ring E109 is fixedly mounted with the drill rod E301, the first bearing ring E109 is connected with the power head body E101 through the shaft housing E108, the second bearing ring E111 is fixedly mounted with the power shaft fixing head E110, and the power shaft fixing head E110 is mounted between the first hydraulic motor E104a and the second hydraulic motor E104 b;

a connecting piece E201 and a supporting seat E202 are mounted on the back of the shaft shell E108, the supporting seat E202 is connected with the shaft shell E108 through the connecting piece E201, and a first pressure reducing hole is formed in the supporting seat E202;

the power head device E further comprises a power head base E203, a second pressure reducing hole is formed in the power head base E203, an adjusting sheet E205 is further installed on the side face of the power head base E203, and the adjusting sheet E205 is connected with the power head base E203 through a bolt structure.

The first bearing ring E109 can be connected with the drill rod E301, so that the power head device E exerts force on the drill rod E301, and the effect of the power head device E is better embodied; the connecting part on the back of the power head device E is used for better stabilizing the power head device E and ensuring that the power of the power head device E can be more stably, continuously and effectively acted; the round holes on the power head base E203 and the supporting seat E202 are aligned, the main body can be fixed on the base power head base E203 by utilizing the bolt, the effect of the power head device E is more stably exerted, the length of the base can be adjusted by the small hole arranged on the adjusting sheet, and the power head has more flexibility.

Preferably, the power head base E203 further includes two fixing holes E204, and the two fixing holes E204 are respectively and fixedly mounted in the middle of the upper side and the bottom side of the power head base E203.

A fixing shaft can penetrate through the middle of the two fixing hole fixing holes E204, so that the whole power head device E can be fixed with other parts of the drilling machine to form a whole, and the working efficiency is improved.

Preferably, the slider device a comprises a nylon slider a104 and a nylon slider seat a103, the nylon slider a104 is provided with a sliding groove a104a and a projection a104b, the sliding groove a104a is located on one side of the nylon slider a104, the projection a104b is fixedly connected with two ends of the nylon slider seat a103, the projection a104b is located on the outward side of the nylon slider a104, and the nylon slider seat a103 and the nylon slider a104 are fixedly connected with the power head base E203.

One of the slide block devices adopts a guide rail fixing mode of a nylon slide block A104, and the stress groove is utilized, so that the force borne by the guide rail can be reduced when the guide rail is used, and the guide rail is more stable and durable; one of the slide block devices adopts a guide rail fixing mode of a nylon slide block A104, and the slide firmware is connected with the guide rail through the nylon slide block, so that the time and labor are saved during assembly and maintenance, the efficiency is high, and the connection is stable; one kind of slider device adopts the guide rail fixed mode of nylon slider, utilizes fixing bolt can be used for adjusting the clearance between nylon slider A104 and the guide rail, reduces the mutual wearing and tearing between guide rail and the part, improves the work efficiency of guide rail and makes more durable of guide rail.

Example two:

Preferably, the power head base E203 is provided with a fixing hole E204 at the upper part and the bottom part respectively.

Preferably, the slider device a comprises a nylon slider a104 and a nylon slider seat a103, the nylon slider a104 is located below the nylon slider seat a103 and is fixedly connected to the nylon slider seat a103, the nylon slider a104 is provided with a sliding groove a104a and a projection a104b, the sliding groove a104a is located on one side of the nylon slider a104, the projection a104b is fixedly connected to two ends of the nylon slider seat a103, the projection a104b is located on the outward side of the nylon slider a104, and the nylon slider seat a103 and the nylon slider a104 are fixedly connected to the power head base E203.

This embodiment is a further improvement of the previous embodiment: the double-row chain guide rail device B comprises a chain lower guide seat B3, a chain upper guide seat B6, a movable pulley block guide rail B10, a chain guide wheel B4, a chain telescopic oil cylinder B11, a movable pulley block B9, a first double-row chain B5 and a second double-row chain B7, wherein the movable pulley block B9 is arranged in a movable pulley block guide rail B10, one end of the first double-row chain B5 is fixedly connected to the chain lower guide seat B3, the other end of the second double-row chain B7 bypasses the chain guide wheel B4 in the chain upper guide seat B6 to be connected with the upper end of the power head device E, and the central axis of the drill rod E301 is perpendicular to the central line of the power head base E203.

The hydraulic cylinder drives the movable pulley block B9 to slide up and down in the movable pulley block guide rail B10 to drive the double-row chain to stretch, so that the double-row chain drives the sliding block device A to slide up and down on the guide rail to realize the drilling function of the drill rod E301, the double-row chain link is adopted to realize that the power head moves up and down to drive the drill rod E301 to work, and the traditional mode that the lifting arm is used for driving the power head to work is replaced; the chain is driven to stretch by the chain stretching oil cylinder B11, so that the stroke of the hydraulic cylinder is shortened, and the working stroke of the equipment can be lengthened; the chain connection is easier to install, maintain and replace than the traditional lifting arm; the double chain wheels are adopted, so that the wheel interval is shortened, the transmission is more stable, the material is saved, and the cost is reduced.

Preferably, the lifting arm device C comprises a drill boom C2, a drill boom fixing seat C12, a drill boom supporting seat C4, a drill boom lifting oil cylinder C9 and a drill boom guide rail C6, wherein the drill boom C2 is movably connected with the drill boom guide rail C6, the drill boom lifting oil cylinder C9 is further connected with a drill boom lifting rod C3 in a sliding manner, the free end of the drill boom lifting rod C3 is movably connected with the top of the drill boom C2 through a hydraulic oil cylinder upper fixing seat C1, the drill boom fixing seat C12 is fixedly connected with the drill boom supporting seat C4, and the power head device E is connected with the drill boom guide rail C6 in a sliding manner through a nylon slider a 104.

The hydraulic oil cylinder, a fixer related to the hydraulic oil cylinder and a ship driver are additionally arranged on the drill boom C2, the lifting function of the drill boom is realized by controlling the lifting of the drill boom lifting oil cylinder C9, the drill boom is provided with a fixing device, the drill boom C2 can be fixed while the lifting function is ensured, the stability of the drill boom C2 in work is improved, the hydraulic oil cylinder can enable the drill boom C2 to extend to the ground and play a supporting role in drilling, a large boom lifting hydraulic oil cylinder is additionally arranged on the back of the drill boom C2, and the lifting of the drill boom C2 is controlled by the expansion and contraction of the drill boom lifting oil cylinder C9; thereby ensuring the stability of the drilling machine and the qualification rate of the formed holes during drilling.

Preferably, the guide sleeve device D comprises a bracket assembly D3, a guide sleeve D12, a drill rod guide flange D13 and a fixed seat D14, wherein the fixed seat D14 is slidably connected on the bracket assembly D3, the guide sleeve D12 is mounted on the fixed seat D14, the drill rod E301 is connected with the guide sleeve D12 through the drill rod guide flange D13, and the drill rod E301 passes through the central hole of the drill rod guide flange D13 and is movably connected with the drill rod guide flange D14.

The dustproof device capable of lifting and replacing the drill rod guide sleeve is added, the dust catching cover D4 cannot shield the drill rod E301 when the drill rod E301 moves up and down, the alignment is convenient, the guide sleeve D12 can ensure the verticality of the drill rod E301 when the drill rod works, so that the hole forming verticality is ensured, the guide sleeve D12 can be replaced, and the dustproof device is suitable for different drilling tools and ensures the sealing property of the drilling tools; the dust catching cover D4 can well cover the generated dust during drilling, improve the working environment and meet the requirement of better environmental protection standard.

The advantages of the second embodiment over the first embodiment are:

(1) in the second embodiment, the movable pulley block B9 is driven by a hydraulic oil cylinder to slide up and down in the movable pulley block guide rail B10 to drive the double-row chain to stretch, so that the double-row chain drives the sliding block device A to slide up and down on the guide rail to realize the drilling function of the drill rod E301, the double-row chain is adopted to link to realize that the power head moves up and down to drive the drill rod E301 to work, and the traditional mode that the lifting arm is used for driving the power head to work is replaced; the chain is driven to stretch by the chain stretching oil cylinder B11, so that the stroke of the hydraulic cylinder is shortened, and the working stroke of the equipment can be lengthened; the chain connection is easier to install, maintain and replace than the traditional lifting arm; the double chain wheels are adopted, so that the wheel spacing is shortened, the transmission is more stable, the material is saved, and the cost is reduced;

(2) the hydraulic oil cylinder, a fixer related to the hydraulic oil cylinder and a ship driver are additionally arranged on the drill boom C2, the lifting function of the drill boom is realized by controlling the lifting of the drill boom lifting oil cylinder C9, the drill boom is provided with a fixing device, the drill boom C2 can be fixed while the lifting function is ensured, the stability of the drill boom C2 in work is improved, the hydraulic oil cylinder can enable the drill boom C2 to extend to the ground and play a supporting role in drilling, a large boom lifting hydraulic oil cylinder is additionally arranged on the back of the drill boom C2, and the lifting of the drill boom C2 is controlled by the expansion and contraction of the drill boom lifting oil cylinder C9; thereby ensuring the stability of the drilling machine and the qualification rate of the formed holes during drilling;

(3) the dustproof device capable of lifting and replacing the drill rod guide sleeve is added, the dust catching cover D4 cannot shield the drill rod E301 when the drill rod E301 moves up and down, the alignment is convenient, the guide sleeve D12 can ensure the verticality of the drill rod E301 when the drill rod works, so that the hole forming verticality is ensured, the guide sleeve D12 can be replaced, and the dustproof device is suitable for different drilling tools and ensures the sealing property of the drilling tools; the dust catching cover D4 can well cover the generated dust during drilling, improve the working environment and meet the requirement of better environmental protection standard.

s1: adjusting a deflection device F, wherein the deflection device F comprises a base F1, a first sliding unit F2, an angle adjusting unit F3, a deflection unit F4, a first hydraulic oil cylinder F21 and a first telescopic rod F22, the first sliding unit F2 is arranged on the upper portion of the base F1, the first sliding unit F2 and the deflection unit F4 move synchronously, the angle adjusting unit F3 is arranged on the upper portion of the first sliding unit F2, the first sliding unit F2 drives the angle adjusting unit F3 to move synchronously, the angle adjusting unit F3 drives the deflection unit F4 to turn over relative to the base F1, a drill boom C2 is connected with the upper portion of the base F1 through the deflection unit F4, and the first hydraulic oil cylinder F21 drives the first telescopic rod F22 to move telescopically, so that the front and back positions of a lifting boom device C are adjusted, and the front and back positions of the deflection device F are adjusted;

the deflection device F further comprises a second hydraulic cylinder F31 and a second telescopic rod F32, the second hydraulic cylinder F31 drives the second telescopic rod F32 to do telescopic motion, so that the vertical inclination angle of the lifting arm device C is adjusted, and the adjustment of the vertical inclination angle of the deflection device F is realized;

the angle and the position of the lifting arm device C are adjusted to be vertical to the construction ground through the coordination of the first sliding unit F2, the angle adjusting unit F3 and the deflection unit F4;

s2: the position of a drill boom C2 is adjusted, a lifting arm device C comprises an adjusting drill boom C2, a drill boom lifting rod C3, a drill boom guide rail C6, a drill boom lifting oil cylinder C9 and a guide sleeve telescopic oil cylinder C13, a drill boom C2 is movably connected with the drill boom guide rail C6, the drill boom lifting oil cylinder C9 is connected with a drill boom lifting rod C3 in a sliding mode, and the free end of the drill boom lifting rod C3 is movably connected with the top of the drill boom C2 through a fixed seat C1 on a hydraulic oil cylinder;

the drill boom C2 is adjusted by adjusting a drill boom lifting rod C3 and a drill boom lifting oil cylinder C9, so that the lifting function of the drill boom is realized, the transmission of the lifting oil cylinder to the lifting function of the drill boom is realized through the sliding connection relation between a hydraulic oil cylinder upper fixing seat C1 and a hydraulic oil cylinder lower fixing seat C5 and a drill boom guide rail C6, and the adjustment of the position of the drill boom C2 by a telescopic oil cylinder is realized through the connection relation between an oil cylinder upper fixing device C11 and an oil cylinder lower fixing device C10 and a guide sleeve telescopic oil cylinder C13;

s3: the device is moved to a position needing drilling, the required verticality is maintained, then the drill rod E301 is aligned to the position of drilling, the power head device E is started to drill, in the process, the drill rod E301 can be ensured to penetrate through the guide sleeve D12 and the drill rod guide flange D13, the telescopic assembly D2 can adjust the heights of the guide sleeve D12 and the drill rod guide flange D13, the fixing seat D14 and the dust catching hood D4 which are associated with the guide sleeve D12 according to the drilling depth, and the dust catching hood D4 just covers the drill hole drilled by the drill rod E301;

s4: adjusting the power, adjusting an adjusting handle E107 on an adjusting valve E106 to adjust the first hydraulic motor E104a and the second hydraulic motor E104b to change the oil return effect thereof, so that the first hydraulic motor E104a and the second hydraulic motor E104b are connected in series or in parallel, and the first hydraulic motor E104a and the second hydraulic motor E104b can be connected in series or in parallel by changing the installation mode;

s5: in the preparation stage, the chain telescopic oil cylinder B11 contracts, the pulley block moves upwards in the movable pulley block guide rail B10, the first double-row chain B5 and the second double-row chain B7 drive the power head device E to slide upwards under the drill boom guide rail C6, the drill rod E301 is driven to apply work by gravity, and the drill rod E301 rises;

s6: in the operation stage, the chain telescopic oil cylinder B11 extends, the pulley block moves downwards in the movable pulley block guide rail B10, the first double-row chain B5 and the second double-row chain B7 drive the power head device E to slide downwards under the drill boom guide rail C6, and the drill rod E301 descends vertically again.

The method is convenient to operate, simple and understandable, and operators can be skillfully mastered through simple training; each step of the using method can work independently, and one control unit or device can be adjusted independently according to needs during adjustment, so that the operability of the invention is improved.

The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the invention in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the invention may be embodied in practice with the teachings of the invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. A drilling machine adopting a speed-adjustable power head is characterized in that: the device comprises a power head device (E), two slide block devices (A), a double-row chain guide rail device (B), a lifting arm device (C), a guide sleeve device (D) and a deflection device (F);

the power head device (E) comprises a power head main body (E101), a first hydraulic motor (E104a), a second hydraulic motor (E104b), a drill rod (E301) and a change-over valve (E106), wherein two motor connecting parts are arranged at the top of the power head main body (E101), the two hydraulic motors (E104a) are respectively connected with the two motor connecting parts, the change-over valve (E106) is installed on the power head main body (E101), the change-over valve (E106) is connected with the first hydraulic motor (E104a), the second hydraulic motor (E104b) and the power head main body (E101), the drill rod (E301) penetrates through the power head main body (E101) and is respectively connected with the first hydraulic motor (E104a) and the second hydraulic motor (E104b), and the change-over valve (E106) changes over the connection modes of the first hydraulic motor (E104a) and the second hydraulic motor (E104b) in parallel connection and series connection;

the motor connecting part comprises a positioning table (E102) and a first sealing plate (E103), the positioning table (E102) is installed on the power head main body (E101), the first hydraulic motor (E104a) and the second hydraulic motor (E104b) are respectively installed on the upper part of the positioning table (E102) in parallel through the first sealing plate (E103), and the switching valve (E106) is installed outside the power head main body (E101);

two hydraulic oil pipes (E105) and a regulating handle (E107) are mounted on the switching valve (E106), the first hydraulic motor (E104a), the second hydraulic motor (E104b) and the switching valve (E106) are connected through the hydraulic oil pipes (E105), the regulating handle (E107) is mounted on the side face of the switching valve (E106), and the regulating handle (E107) controls oil return of the hydraulic motor (E104 a);

uide bushing device (D) with power head device (E) respectively through one slider device (A) with lift arm device (C) sliding connection, uide bushing device (D) with power head device (E) can dismantle the connection, and two when slider device (A) slided, uide bushing device (D) with synchronous motion is to power head device (E), install double chain guide device (B) inside lift arm device (C), install lift arm device (C) deflection device (F) upper portion.

2. A drill rig employing an adjustable speed power head as defined in claim 1 wherein: the first hydraulic motor (E104a) and the second hydraulic motor (E104b) are provided with a second sealing plate (E112), the first sealing plate (E103) and the second sealing plate (E112) are connected in parallel, the first hydraulic motor (E104a) and the second hydraulic motor (E104b) are connected in parallel, and a hydraulic oil pipe (E105) of the first hydraulic motor (E104a) and a hydraulic oil pipe (E105) of the second hydraulic motor (E104b) are connected with a switching valve (E106).

3. A drill rig employing an adjustable speed power head as defined in claim 1 wherein: the first hydraulic motor (E104a) and the second hydraulic motor (E104b) are provided with a second sealing plate (E112), the first sealing plate (E103) is connected with the second sealing plate (E112) in an overlapping mode, the first hydraulic motor (E104a) and the second hydraulic motor (E104b) are installed in an overlapping mode, a hydraulic oil pipe (E105) of the first hydraulic motor (E104a) is connected with the second hydraulic motor (E104b), and a hydraulic oil pipe (E105) of the second hydraulic motor (E104b) is connected with a switching valve (E106).

4. A drill rig using an adjustable speed power head as claimed in claim 2 or 3, wherein: the power head main body (E101) is further provided with a shaft shell (E108), a first bearing ring (E109), a power shaft fixing head (E110) and a second bearing ring (E111), the first bearing ring (E109) is fixedly installed on the drill rod (E301), the first bearing ring (E109) is connected with the power head main body (E101) through the shaft shell (E108), the second bearing ring (E111) is fixedly installed on the power shaft fixing head (E110), and the power shaft fixing head (E110) is installed between the first hydraulic motor (E104a) and the second hydraulic motor (E104 b);

the back of the shaft shell (E108) is provided with a connecting sheet (E201) and a supporting seat (E202), the supporting seat (E202) is connected with the shaft shell (E108) through the connecting sheet (E201), and the supporting seat (E202) is provided with a first pressure reducing hole;

the power head device (E) further comprises a power head base (E203), a second pressure reducing hole is formed in the power head base (E203), an adjusting sheet (E205) is further installed on the side face of the power head base (E203), and the adjusting sheet (E205) is connected with the power head base (E203) through a bolt structure.

5. A drill rig employing an adjustable speed power head as set forth in claim 4 wherein: the upper part and the bottom of the power head base (E203) are respectively provided with a fixing hole (E204).

6. A drill rig employing an adjustable speed power head as claimed in claim 5 wherein: slider device (A) includes nylon sliding block (A104) and nylon sliding block seat (A103), nylon sliding block (A104) is located nylon sliding block seat (A103) below to in nylon sliding block seat (A103) fixed connection, be equipped with sliding tray (A104a) and lug (A104b) on nylon sliding block (A104), nylon sliding block (A104) one side is located in sliding tray (A104a), lug (A104b) and nylon sliding block seat (A103) both ends fixed connection, just lug (A104b) are located nylon sliding block (A104) outside one side, nylon sliding block seat (A103) and nylon sliding block (A104) are with unit head base (E203) fixed connection.

7. A drill rig employing an adjustable speed power head as defined in claim 6 wherein: double-row chain guide device (B) includes guide holder (B3), chain guide wheel (B4) under the chain, first double-row chain (B5), guide holder (B6) on the chain, second double-row chain (B7), running block (B9) and running block guide rail (B10), running block (B9) is located in running block guide rail (B10), the one end fixed connection of first double-row chain (B5) is in guide holder (B3) under the chain, the other end of second double-row chain (B7) is walked around chain guide wheel (B4) in guide holder (B6) and is connected with the upper end of unit head device (E) on the chain, just the central axis of drilling rod unit head (E301) is perpendicular with the central line of base (E203).

8. A drill rig employing an adjustable speed power head as claimed in claim 7 wherein: the lifting arm device (C) comprises a drill boom (C2), a drill boom fixing seat (C12), a drill boom supporting seat (C4), a drill boom lifting oil cylinder (C9) and a drill boom guide rail (C6), wherein the drill boom (C2) is movably connected with the drill boom guide rail (C6), the drill boom lifting oil cylinder (C9) is further connected with a drill boom lifting rod (C3) in a sliding mode, the free end of the drill boom lifting rod (C3) is movably connected with the top of the drill boom (C2) through a hydraulic oil cylinder upper fixing seat (C1) and a drill boom guide rail (C2), the drill boom fixing seat (C12) is fixedly connected with the drill boom supporting seat (C4), and the power head device (E) is connected with the drill boom guide rail (C6) in a sliding mode through a nylon slider (A104).

9. A drill rig employing an adjustable speed power head as defined in claim 8 wherein: guide sleeve device (D) includes bracket component (D3), uide bushing (D12), drilling rod guide flange (D13) and fixing base (D14), fixing base (D14) be sliding connection on bracket component (D3), uide bushing (D12) are installed on fixing base (D14), drilling rod (E301) through drilling rod guide flange (D13) with uide bushing (D12) are connected, just drilling rod (E301) pass the centre bore of drilling rod guide flange (D13) and rather than swing joint.

10. A method of using a drill utilizing an adjustable speed power head as defined in claim 9, wherein: the method comprises the following steps:

s1: adjusting a deflection device (F), wherein the deflection device (F) comprises a base (F1), a first sliding unit (F2), an angle adjusting unit (F3), a deflection unit (F4), a first hydraulic oil cylinder (F21) and a first telescopic rod (F22), the first sliding unit (F2) is arranged at the upper part of the base (F1), the first sliding unit (F2) and the deflection unit (F4) synchronously move, the angle adjusting unit (F3) is arranged at the upper part of the first sliding unit (F2), the first sliding unit (F2) drives the angle adjusting unit (F3) to synchronously move, the angle adjusting unit (F3) drives the deflection unit (F4) to overturn relative to the base (F1), the drill arm (C2) is connected with the upper part of the base (F1) through the deflection unit (F4), and the first hydraulic oil cylinder (F21) drives the first telescopic rod (F22) to telescopically move, thereby adjusting the front and back positions of the lifting arm device (C) and realizing the adjustment of the front and back positions of the deflection device (F);

the deflection device (F) further comprises a second hydraulic cylinder (F31) and a second telescopic rod (F32), wherein the second hydraulic cylinder (F31) drives the second telescopic rod (F32) to do telescopic motion, so that the vertical inclination angle of the lifting arm device (C) is adjusted, and the vertical inclination angle of the deflection device (F) is adjusted;

adjusting the angle and position of the lifting arm device (C) to be perpendicular to the construction ground by the coordinated cooperation of the first sliding unit (F2), the angle adjusting unit (F3) and the deflecting unit (F4);

s2: the position of a drill boom (C2) is adjusted, a lifting arm device (C) comprises an adjusting drill boom (C2), a drill boom lifting rod (C3), a drill boom guide rail (C6), a drill boom lifting oil cylinder (C9) and a guide sleeve telescopic oil cylinder (C13), the drill boom (C2) is movably connected with the drill boom guide rail (C6), the drill boom lifting oil cylinder (C9) is connected with the drill boom lifting rod (C3) in a sliding mode, and the free end of the drill boom lifting rod (C3) is movably connected with the top of the drill boom (C2) through a fixing seat (C1) on a hydraulic oil cylinder;

the drill boom (C2) is adjusted by adjusting a drill boom lifting rod (C3) and a drill boom lifting oil cylinder (C9), the lifting function of the drill boom is realized, the transmission of the lifting oil cylinder to the lifting function of the drill boom is realized through the sliding connection relation between a hydraulic oil cylinder upper fixing seat (C1) and a hydraulic oil cylinder lower fixing seat (C5) and a drill boom guide rail (C6), and the position of the drill boom (C2) is adjusted by a telescopic oil cylinder through the connection relation between an oil cylinder upper fixing device (C11) and an oil cylinder lower fixing device (C10) and a guide sleeve telescopic oil cylinder (C13);

s3: the device is moved to a position needing drilling, the required verticality is maintained, then the drill rod (E301) is aligned to the position needing drilling, the power head device (E) is started to drill, in the process, the drill rod (E301) is ensured to penetrate through the guide sleeve (D12) and the drill rod guide flange (D13), the telescopic assembly (D2) can adjust the heights of the guide sleeve (D12) and the drill rod guide flange (D13), the fixing seat (D14) and the dust catching cover (D4) which are associated with the guide sleeve (D12), and the dust catching cover (D4) can cover the drilled hole of the drill rod (E301);

s4: the power is adjusted, the adjusting handle (E107) on the switching valve (E106) is adjusted, the first hydraulic motor (E104a) and the second hydraulic motor (E104b) are adjusted to change the oil return effect, so that the first hydraulic motor (E104a) and the second hydraulic motor (E104b) are connected in series or in parallel, and the first hydraulic motor (E104a) and the second hydraulic motor (E104b) can be connected in series or in parallel by changing the installation mode;

s5: in the preparation stage, the chain telescopic oil cylinder (B11) is contracted, the pulley block moves upwards in the movable pulley block guide rail (B10), the first double-row chain (B5) and the second double-row chain (B7) drive the power head device (E) to slide upwards under the drill boom guide rail (C6) to drive the drill rod (E301) to do work by gravity, and the drill rod (E301) rises;

s6: in the operation stage, the chain telescopic oil cylinder (B11) extends, the pulley block moves downwards in the movable pulley block guide rail (B10), the first double-row chain (B5) and the second double-row chain (B7) drive the power head device (E) to slide downwards under the drill boom guide rail (C6), and the drill rod (E301) descends vertically.