CN115680481A - Full-hydraulic drilling machine with power head capable of being automatically opened and closed and system thereof - Google Patents

Abstract

The invention provides a full hydraulic drilling machine with a power head automatically opened and closed and a system thereof, which relate to the technical field of drilling machine equipment and comprise a hydraulic drilling machine, a coring module and a core sample collecting plate, wherein the coring module is positioned on the side surface of the hydraulic drilling machine, and the core sample collecting plate is positioned at the lower end of the coring module; the hydraulic drilling machine is used for driving a drill rod to drill a hole, the drill rod after drilling is placed on the coring module to core, and a core sample taken out from the coring module is transported into the core sample collecting plate to be transported; piston rod through first pneumatic cylinder shrink drive unit head begins rotatoryly around the unit head installation axle, and the direction of rotation is for being close to the direction of pneumatic cylinder mounting panel, so makes the opening motion of unit head realization unit head, avoids using traditional hand labor's form to accomplish opening and closing of unit head to reduce the cost of labor, improve work efficiency.

Description

Full-hydraulic drilling machine with power head capable of being automatically opened and closed and system thereof

Technical Field

The invention relates to the technical field of drilling machine equipment, in particular to a full hydraulic drilling machine with a power head capable of being automatically opened and closed and a system thereof.

Background

The full-hydraulic drilling rig is drilling equipment widely applied to mines and tunnels at present, and compared with a traditional vertical shaft type drilling rig, the full-hydraulic drilling rig is convenient and fast to move in a modular mode, a drilling tower does not need to be built, construction is safer, the modes of driving a drill rod are divided into a top drive type power head and a through type power head, the top drive type power head is used for completing drilling each time, the power head needs to be manually opened and closed during coring, the inner pipe salvaging work can be completed, the power head of the full-hydraulic drilling rig is generally very heavy, particularly when inclined holes are constructed, the power head is difficult to manually open and close, two persons are required to operate to obliquely knock during coring, time is consumed, and labor intensity is increased.

Disclosure of Invention

In order to solve the defects in the background technology, the invention aims to provide a full hydraulic drilling machine with a power head automatically opened and closed and a system thereof, and solves the problem of difficulty in coring during inclined hole construction in the prior art.

The purpose of the invention can be realized by the following technical scheme:

a full hydraulic drilling machine with a power head automatically switched on and off comprises a hydraulic drilling machine, a coring module and a core sample collecting plate, wherein the coring module is positioned on the side surface of the hydraulic drilling machine, and the core sample collecting plate is positioned at the lower end of the coring module; the hydraulic drilling machine is used for driving a drill rod to drill a hole, the drill rod after drilling is placed on the coring module to core, and a core sample taken out from the coring module is transported into the core sample collecting plate to be transported;

the hydraulic drilling machine is provided with a power head assembly mounting plate, one side of the power head assembly mounting plate, which is far away from the coring module, is provided with a hydraulic cylinder mounting plate, a first hydraulic cylinder is movably mounted on the hydraulic cylinder mounting plate, a first hydraulic cylinder base is movably mounted on a mounting shaft of the power head assembly mounting plate, a power head is movably mounted on the power head assembly mounting plate through the power head mounting shaft, and the first hydraulic cylinder is movably connected with the power head through a pin penetrating at the vertex of the oil cylinder;

further, a drill rod placing groove is formed in the coring module, the coring module is obliquely arranged, and one side close to the core sample collecting plate is a low point.

Furthermore, the core sample collecting plate is movably arranged on the base, the core sample collecting plate is driven by a screw rod motor, and a plurality of linear array core sample collecting grooves are formed in the core sample collecting plate.

Further, a clamping module mounting groove is formed in the drill rod placing groove, a drill rod clamping module used for fixing a drill rod is mounted in the clamping module mounting groove, a first mounting shaft and a second mounting shaft are arranged on the side face of the coring module, a drill bit disassembling module is movably mounted on the first mounting shaft, a transition guide ring is movably mounted on the second mounting shaft, and a drill bit disassembling device used for disassembling the drill bit is arranged on the drill bit disassembling module.

Further, the drill bit dismounting device comprises a first rotating ring, the first rotating ring is movably mounted on the drill bit dismounting module, the side face of the first rotating ring is provided with a clamping block mounting groove distributed in the circumference, the clamping block is dismounted by the drill bit in the clamping block mounting groove, a second boss is arranged on the clamping block for dismounting the drill bit, one side of the clamping block far away from the first rotating ring is provided with a second rotating ring, the second rotating ring is movably mounted on the drill bit dismounting module, a collision chute distributed in the circumference is started on the second rotating ring, and the second boss is movably mounted in the collision chute

Further, the two sides of the clamping module mounting groove are provided with vertical sliding grooves, the drill rod clamping module comprises two vertical sliding blocks, the vertical sliding blocks are movably mounted in the vertical sliding grooves, horizontal sliding grooves are formed in the inner sides of the vertical sliding blocks, clamping block mounting blocks are mounted on the inner sides of the vertical sliding blocks, first bosses are arranged on the two sides of the clamping block mounting blocks and movably mounted in the horizontal sliding grooves, and two drill rod clamping blocks for fixing drill rods are movably mounted in the first bosses

Further, drilling rod clamp splice below is equipped with the conflict post, has seted up rotation axis main shaft mounting groove on the coring module, and movable mounting has the rotation axis main shaft in the rotation axis main shaft mounting groove, installs the vibrations cam on the rotation axis main shaft, first space cam groove has been seted up on the vibrations cam, conflict post movable mounting is in first space cam groove

Furthermore, a second cam is arranged in the first space cam groove, and the end face of the contact column is abutted against the second cam.

Further, be equipped with the crown gear on the vibrations cam, the conflict post adopts the mode of rotating the connection to install on clamp splice installation piece, is equipped with first gear on the conflict post, first gear and crown gear incomplete meshing, be equipped with smooth section when first space cam groove is closest to crown gear one side, first gear and crown gear meshing when the conflict post is in smooth section.

Further, in, be equipped with the cam mounting hole that is used for the installation on the vibrations cam, cam mounting hole movable mounting is on the rotation axis main shaft, and the cam mounting hole is equipped with the spline groove of circumference distribution all around, is equipped with the connecting splines of circumference distribution on the rotation axis main shaft, and connecting splines movable mounting is in the spline groove, and the connecting splines is pressed from both sides one deck rubber layer by two layers of wear-resisting metal layer and is constituteed, connects through glue, is equipped with the cavity of stepping down in the rubber layer.

The invention has the beneficial effects that:

1. according to the invention, the piston rod of the first hydraulic cylinder contracts to drive the power head to rotate around the power head mounting shaft, and the rotation direction is close to the hydraulic cylinder mounting plate, so that the power head is opened, and the power head is prevented from being opened and closed in a traditional manual labor force manner, thereby reducing the labor cost and improving the working efficiency;

2. according to the invention, the core sample in the drill rod is separated from the drill rod through linear vibration and moves forwards under the action of inertia, so that the core is taken by the drill rod, and the overlarge labor intensity caused by manual knocking of personnel is avoided.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a coring module of the present invention;

FIG. 3 is a schematic view of the construction of the vibrating cam of the present invention;

FIG. 4 is a schematic diagram of the construction of the coring module of the present invention;

FIG. 5 is a schematic view of the installation of the vibration cam and drill rod clamping module of the present invention;

FIG. 6 is a schematic structural view of a drill rod clamping module according to the present invention;

FIG. 7 is a schematic structural view of a drill bit detachment module of the present invention;

FIG. 8 is a schematic view of a spindle of the rotating shaft of the present invention;

fig. 9 is a schematic view of the structure of a spline of a rotating shaft spindle according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-9, an all-hydraulic drill system with a power head automatically switched on and off comprises a hydraulic drill 1, a coring module 2 and a core sample collecting plate 7, wherein the coring module 2 is positioned on the side surface of the hydraulic drill 1, and the core sample collecting plate 7 is positioned at the lower end of the coring module 2; the hydraulic drilling machine 1 is used for driving a drill rod to drill a hole, the drill rod after drilling is placed on the coring module 2 to perform coring, and a core sample taken out of the coring module 2 is transported into the core sample collecting plate 7 to be transported;

the hydraulic drilling machine 1 is provided with a power head assembly mounting plate 11, one side of the power head assembly mounting plate 11, which is far away from the coring module 2, is provided with a hydraulic cylinder mounting plate 12, a first hydraulic cylinder 13 is movably mounted on the hydraulic cylinder mounting plate 12, a base of the first hydraulic cylinder 13 is movably mounted on a mounting shaft of the power head assembly mounting plate 11, a power head 15 is movably mounted on the power head assembly mounting plate 11 through a power head mounting shaft 14, and the first hydraulic cylinder 13 is movably connected with the power head 15 through a cylinder vertex pin; through the design, when the power head 15 needs to be opened, start first pneumatic cylinder 13, the piston rod of first pneumatic cylinder 13 begins to shrink and drives power head 15 to begin to rotate around power head installation axle 14, the direction of rotation is the direction that is close to pneumatic cylinder installation board 12, so make power head 15 realize the opening movement of power head, when needing power head 15 to close, start first pneumatic cylinder 13, the piston rod of first pneumatic cylinder 13 begins to stretch out and drives power head 15 to begin to rotate around power head installation axle 14, the direction of rotation is the direction of keeping away from pneumatic cylinder installation board 12, so make power head 15 realize the movement of closing of power head, above-mentioned structure is through the reciprocating motion of first pneumatic cylinder 13, make the power head accomplish opening and closing movement, moreover, the steam generator is simple in structure, the operation is stable and reliable, avoid using the form of traditional hand labor to accomplish opening and closing of power head, thereby reduce the labor cost, and improve the work efficiency.

In some disclosures, the drilling rod standing groove 23 has been seted up on coring module 2, and coring module 2 inclines to set up, and one side that is close to core appearance collecting plate 7 is the low point, can strike the drilling rod through placing the drilling rod in drilling rod standing groove 23 after the manual work is taken off the drill bit and get the core through so design, so can be through one-man operation, need not alone erect drilling rod alone and control drilling rod inclination angle and strike the completion and get the core, reduced artifical intensity of labour.

In some disclosures, core appearance collecting plate 7 movable mounting is on the base, core appearance collecting plate 7 can adopt lead screw motor drive, the mode of cylinder slider is installed the drive, be equipped with the core appearance collecting vat 71 of a plurality of linear arrays on the core appearance collecting plate 7, through so designing, core appearance collecting vat 71 aligns through strikeing drilling rod standing groove 23 and accomplishes the coring during the coring with drilling rod standing groove 23, the core appearance falls into in core appearance collecting vat 71 and makes other core appearance collecting vat 71 align with drilling rod standing groove 23 through the position of adjustment core appearance collecting plate 7 after current core appearance collecting vat 71 is full of, continue to accomplish the coring, make things convenient for personnel's operation like this design, personnel only need strike the drilling rod can, do not need manual adjustment core appearance collecting device or drilling rod position to reduce intensity of labour.

In some disclosures, a clamping module mounting groove 25 is formed in a drill rod placing groove 23, a drill rod clamping module 4 for fixing a drill rod is mounted in the clamping module mounting groove 25, a first mounting shaft 21 and a second mounting shaft 22 are arranged on the side surface of the coring module 2, a drill bit detaching module 5 is movably mounted on the first mounting shaft 21, a transition guide ring 6 is movably mounted on the second mounting shaft 22, the drill bit detaching module 5 and the transition guide ring 6 are mounted through rotating mounting plates, a drill bit detaching device is movably mounted on the drill bit detaching module 5 and can slide along the drill bit detaching module 5, so that axial abdications can be carried out during rotary detaching of the drill bit, the drill bit detaching device can be mounted in a guide rail mounting mode and can be carried out by a three-jaw chuck, one end of the mounting plate is mounted on the first mounting shaft 21 or the second mounting shaft 22, the drill bit detaching module 5 or the transition guide ring 6 is fixedly mounted at the other end of the mounting plate, the mounting plate can be driven to move by rotation of the first mounting shaft 21 and the second mounting shaft 22, the first mounting shaft 21 and the second mounting shaft 22 can be driven by a motor, and the mounting plate 22 can be movably mounted on the first mounting shaft 21 or the second mounting shaft 22 and then arranged on a belt wheel by a motor through a gear driving motor; through the design, after the drilling rod is placed in drilling rod standing groove 23, be equipped with drill bit dismounting device on drill bit dismounting module 5 and move to with the drilling rod concentric position, continue to promote the drilling rod and make the drill bit block go into drill bit dismounting device in, drill bit dismounting device presss from both sides tight back rotation completion dismantlement to the drill bit, first installation axle 21 is rotatory to make drill bit dismounting device move to one side and give way after the drill bit dismantlement is accomplished, second installation axle 22 selects to make transition guide ring 6 and drilling rod concentric, so the core appearance can pass through to enter into core appearance collecting vat 71 behind the transition guide ring 6 and prevent to lead to loose core appearance to drop because of having the clearance between core appearance collecting vat 71 and the drilling rod standing groove 23, simultaneously when meetting continuous rock core appearance, transition guide ring 6 dislocation motion takes place to form the shearing force and cuts off rock core appearance with drilling rod standing groove 23 when continuous length of core appearance is greater than core appearance collecting vat 71, transition guide ring 6 returns again after cutting off and continues to get core, so just can not lead to the unable problem of placing of core appearance collecting vat 71 because of rock core appearance overlength.

Furthermore, the drill bit dismounting device comprises a first rotating ring 51, the first rotating ring 51 is movably mounted on the drill bit dismounting module 5, a circumferentially distributed clamping block mounting groove 52 is formed in the side surface of the first rotating ring 51, a drill bit dismounting clamping block 53 is movably mounted in the clamping block mounting groove 52, a second boss 54 is arranged on the drill bit dismounting clamping block 53, a second rotating ring 55 is arranged on one side, away from the first rotating ring 51, of the drill bit dismounting clamping block 53, the second rotating ring 55 is movably mounted on the drill bit dismounting module 5, a circumferentially distributed interference chute 56 is formed in the second rotating ring 55, and the second boss 54 is movably mounted in the interference chute 56, so that the second rotating ring 55 is rotated after a drill bit enters a central hole of the first rotating ring 51, the drill bit dismounting clamping block 53 is driven to move inwards by changing the position where the interference chute 56 is in contact with the second boss 54, so that the drill bit dismounting work is finished by rotating the first rotating ring 51, and after coring is finished, the drill bit dismounting device moves to the position concentric with a drill rod and rotates forwards to finish the mounting of the drill bit; so realize the automatic dismantlement when the drill bit is cored, also guaranteed the drill bit on the one hand and dismantled the standardization of installation dismantlement and prevent too big moment from damaging drill bit installation screw thread.

In some disclosures, vertical sliding grooves 26 are formed in two sides of the clamping module mounting groove 25, the drill rod clamping module 4 comprises two vertical sliding blocks 41, the vertical sliding blocks 41 are movably mounted in the vertical sliding grooves 26, horizontal sliding grooves 42 are formed in the inner sides of the vertical sliding blocks 41, clamping block mounting blocks 43 are mounted on the inner sides of the vertical sliding blocks 41, first bosses 44 are arranged on two sides of the clamping block mounting blocks 43, the first bosses 44 are movably mounted in the horizontal sliding grooves 42, two drill rod clamping blocks 45 for fixing a drill rod are movably mounted in the first bosses 44, so that the drill rod placed in the drill rod placing groove 23 is fixed through the two drill rod clamping blocks 45, and the drill rod can be better vibrated during knocking coring;

in some disclosures, a contact column 46 is arranged below the drill rod clamping block 45, a rotating shaft main shaft installation groove 24 is formed in the coring module 2, a rotating shaft main shaft 27 is movably installed in the rotating shaft main shaft installation groove 24, a vibration cam 3 is installed on the rotating shaft main shaft 27, a first space cam groove 33 is formed in the vibration cam 3, and a collision column 46 is movably installed in the first space cam groove 33, so that the drill rod clamping module 4 can be driven to vibrate along the axial direction through rotation of the rotating shaft main shaft 27, a core sample in a drill rod can be separated from the drill rod through linear vibration and moves forwards under the action of inertia, the vibration stability obtained by the cam is higher compared with the vibration obtained by a vibration motor, and meanwhile, higher instantaneous acceleration can be obtained, namely, the core sample can be more quickly stopped and reversely moved when the drill rod is in place, and thus better coring can be achieved;

in some disclosures, the second cam 34 is arranged in the first space cam groove 33, and the end surface of the abutting column 46 abuts against the second cam 34, so that when the rotary shaft main shaft 27 rotates, the drill rod clamping module 4 vibrates in the axial direction, the drill rod clamping module vibrates in the radial direction simultaneously, and the vibration generated by rotation sense during manual knocking is simulated, so that a core sample can be better separated from the inner wall of a drill rod, and the core sample can be conveniently taken;

in some disclosures, be equipped with crown gear 35 on vibrations cam 3, conflict post 46 adopts the mode of rotating the connection to install on clamp splice installation piece 43, is equipped with first gear 47 on the conflict post 46, and first gear 47 and crown gear 35 incomplete mesh, be equipped with the smooth section when first space cam groove 33 is closest to crown gear 35 one side, smooth section conflict post 46 axial displacement is zero, and first gear 47 and crown gear 35 mesh when conflict post 46 is at the smooth section, so crown gear 35 drives the conflict post 46 rotation and prevents that the conflict post 46 conflicts with first space cam groove 33 inner wall for a long-term a position and causes wearing and tearing influence activity smoothness nature.

In some disclosures, a cam mounting hole 31 for mounting is formed in the vibration cam 3, the cam mounting hole 31 is movably mounted on the rotating shaft main shaft 27, spline grooves 32 which are circumferentially distributed are formed in the periphery of the cam mounting hole 31, connecting splines 28 which are circumferentially distributed are formed in the rotating shaft main shaft 27, the connecting splines 28 are movably mounted in the spline grooves 32, the connecting splines 28 are formed by two layers of wear-resistant metal layers 281 and a rubber layer 282 is sandwiched between the two layers of wear-resistant metal layers, the rubber layers are connected through glue, a yielding cavity 283 is formed in the rubber layer 282 and is used for yielding when the rubber layer 282 deforms, so that when a plurality of vibration cams 3 are mounted on the rotating shaft main shaft 27, the vibration cams 3 can rotate relative to the rotating shaft main shaft 27 through deformation of the rubber layer 282 when errors exist in movement of the plurality of vibration cams 3, errors are absorbed, and the system pressure cannot be released to cause equipment jamming.

Principle of operation

Through first pneumatic cylinder 13, the piston rod of first pneumatic cylinder 13 begins to contract and drives unit head 15 and begin to rotate around unit head installation axle 14, and the direction of rotation is the direction that is close to pneumatic cylinder mounting panel 12, so makes unit head 15 realize the opening movement of unit head, drives drilling rod clamping module 4 along the vibrations of axis direction through the rotation of rotation axis main shaft 27 simultaneously, so can make the core appearance in the drilling rod break away from with the drilling rod through linear vibrations and because inertial action core appearance moves forward and accomplishes the coring.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (10)

1. A full-hydraulic drill with a power head automatically switched comprises a core taking module (2) and a core sample collecting plate (7) of the hydraulic drill (1), and is characterized in that the core taking module (2) is positioned on the side surface of the hydraulic drill (1), and the core sample collecting plate (7) is positioned at the lower end of the core taking module (2); the hydraulic drilling machine (1) is used for driving a drill rod to drill a hole, the drill rod after drilling is placed on the coring module (2) to core, and a core sample taken out from the coring module (2) is transported into the core sample collecting plate (7) to be transported;

be equipped with unit head assembly mounting panel (11) on hydrodrill (1), the one side of keeping away from coring module (2) of unit head assembly mounting panel (11) is equipped with pneumatic cylinder mounting panel (12), movable mounting has first pneumatic cylinder (13) on pneumatic cylinder mounting panel (12), first pneumatic cylinder (13) base passes through movable mounting on the installation axle of unit head assembly mounting panel (11), movable mounting has unit head (15) on unit head assembly mounting panel (11), unit head (15) are through unit head installation axle (14) movable mounting on unit head assembly mounting panel (11), wear round pin and unit head (15) swing joint through the hydro-cylinder summit of first pneumatic cylinder (13).

2. The full hydraulic drilling machine with the power head automatically opened and closed according to claim 1, wherein a drill rod placing groove (23) is formed in the coring module (2), the coring module (2) is obliquely arranged, and one side, close to the core sample collecting plate (7), of the coring module is a low point.

3. The all-hydraulic drill of the power head automatic switch according to claim 2, characterized in that the core sample collecting plate (7) is movably mounted on the base, the core sample collecting plate (7) is driven by a screw motor, and a plurality of linear arrays of core sample collecting grooves (71) are arranged on the core sample collecting plate (7).

4. The all-hydraulic drill of a unit head automatic switch according to claim 3, characterized in that, a clamping module mounting groove (25) is opened on the drill rod placing groove (23), a drill rod clamping module (4) for fixing the drill rod is installed in the clamping module mounting groove (25), a first mounting shaft (21) and a second mounting shaft (22) are provided on the side of the coring module (2), a drill bit dismounting module (5) is movably installed on the first mounting shaft (21), a transition guide ring (6) is movably installed on the second mounting shaft (22), and a drill bit dismounting device for drill bit dismounting is provided on the drill bit dismounting module (5).

5. The all-hydraulic drill of a power head automatic switch of claim 4, characterized in that, the drill bit detaching device includes a first rotating ring (51), the first rotating ring (51) is movably mounted on the drill bit detaching module (5), a clamping block mounting groove (52) distributed circumferentially is formed in the side surface of the first rotating ring (51), a drill bit detaching clamping block (53) is movably mounted in the clamping block mounting groove (52), a second boss (54) is formed on the drill bit detaching clamping block (53), a second rotating ring (55) is arranged on the side of the drill bit detaching clamping block (53) far away from the first rotating ring (51), the second rotating ring (55) is movably mounted on the drill bit detaching module (5), a collision chute (56) distributed circumferentially is formed on the second rotating ring (55), and the second boss (54) is movably mounted in the collision chute (56).

6. The all-hydraulic drill of the automatic switch of the power head according to claim 5, wherein two sides of the clamping module mounting groove (25) are provided with vertical sliding grooves (26), the drill rod clamping module (4) comprises two vertical sliding blocks (41), the vertical sliding blocks (41) are movably mounted in the vertical sliding grooves (26), the inner sides of the vertical sliding blocks (41) are provided with horizontal sliding grooves (42), the inner sides of the vertical sliding blocks (41) are provided with clamping block mounting blocks (43), two sides of the clamping block mounting blocks (43) are provided with first bosses (44), the first bosses (44) are movably mounted in the horizontal sliding grooves (42), and two drill rod clamping blocks (45) for fixing drill rods are movably mounted in the first bosses (44).

7. The all-hydraulic drill of a unit head automatic switch according to claim 6, characterized in that, the drilling rod clamp block (45) below is equipped with conflict post (46), has seted up rotation axis main shaft mounting groove (24) on coring module (2), and movable mounting has rotation axis main shaft (27) in rotation axis main shaft mounting groove (24), installs vibrations cam (3) on rotation axis main shaft (27), first space cam slot (33) has been seted up on vibrations cam (3), conflict post (46) movable mounting is in first space cam slot (33).

8. The all-hydraulic drill of the power head automatic switch as claimed in claim 7, characterized in that, a second cam (34) is arranged in the cam groove (33) of the first space, and the end surface of the interference column (46) interferes with the second cam (34).

9. The all-hydraulic drill of a power head automatic switch of claim 8, characterized in that the vibration cam (3) is provided with a crown gear (35), the interference column (46) is installed on the clamping block installation block (43) in a rotating connection manner, the interference column (46) is provided with a first gear (47), the first gear (47) is not completely meshed with the crown gear (35), the first space cam groove (33) is provided with a smooth section when being closest to one side of the crown gear (35), and the first gear (47) is meshed with the crown gear (35) when the interference column (46) is in the smooth section.

10. The full hydraulic drill of the power head automatic switch according to claim 9, wherein the vibration cam (3) is provided with a cam mounting hole (31) for mounting, the cam mounting hole (31) is movably mounted on the rotary shaft spindle (27), spline grooves (32) are circumferentially distributed around the cam mounting hole (31), connecting splines (28) are circumferentially distributed on the rotary shaft spindle (27), the connecting splines (28) are movably mounted in the spline grooves (32), the connecting splines (28) are formed by two wear-resistant metal layers (281) sandwiching a rubber layer (282), and a abdicating cavity (283) is formed in the rubber layer (282) through glue connection.

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