CN115012810A - Full-hydraulic power head drilling machine suitable for drilling loose and broken stratum - Google Patents
Full-hydraulic power head drilling machine suitable for drilling loose and broken stratum Download PDFInfo
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- CN115012810A CN115012810A CN202210653498.6A CN202210653498A CN115012810A CN 115012810 A CN115012810 A CN 115012810A CN 202210653498 A CN202210653498 A CN 202210653498A CN 115012810 A CN115012810 A CN 115012810A
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- power head
- oil cylinder
- guide rail
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/02—Fluid rotary type drives
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B6/00—Drives for drilling with combined rotary and percussive action
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a full-hydraulic power head drilling machine suitable for drilling a loose and broken stratum. The drilling machine comprises a chassis assembly, a centering clamp holder, a pipe twisting machine, a power head, a drilling machine guide rail, a fixed pulley block, a supporting oil cylinder and a feeding oil cylinder; the power head is fixedly connected with the feeding oil cylinder and is in sliding connection with the drill guide rail; the drill guide rail is arranged on the underframe assembly; the fixed pulley block is fixed on the top of a guide rail of the drilling machine, the direction of the steel wire rope is changed, the fixed pulley block is matched with a winch on the drilling machine to form a traction mechanism, and the power head and the drill string are pulled to the initial position when necessary; the supporting oil cylinder and the feeding oil cylinder are hinged and fixed on the underframe assembly. The invention has the advantages of realizing the rotary feeding function of the common core drill, realizing impact rotary composite drilling and improving the working efficiency of pipe following drilling.
Description
Technical Field
The invention relates to the field of geological equipment, in particular to an all-hydraulic power head drilling machine, and more particularly to an all-hydraulic power head drilling machine suitable for drilling loose and broken stratums.
Background
When loose and broken strata such as a quaternary covering layer, a fracture development zone and the like are drilled, the rocks are poor in cementation, loose and fragile, the hole wall easily loses stability under adverse effects such as slurry erosion and drilling tool vibration, hole accidents such as hole collapse and slurry leakage are caused, and the safety and coring rate of the hole wall of a drilling project are threatened. At present, aiming at the drilling construction of a loose and broken stratum, a large number of pipe following drilling are adopted on site, and a solution scheme of hole bottom hydraulic hammer impact rotary drilling is matched, namely a double-pipe drilling tool (a layer of casing string is sleeved on the outer ring of a drilling rod string, the casing string does not rotate, the casing string is connected with a hole bottom drilling tool by a pipe shoe and the like, and the hole bottom drilling tool drives the casing string to extend downwards) is used for synchronous drilling, after the drilling is carried out to a preset hole position, the drilling rod string is lifted, the casing string is left in a hole, and the hole wall is supported to protect the drilling hole; in addition, the vibration impact effect of the hydraulic hammer is utilized, so that the drilling machine can rapidly pass through a complex stratum, and the drilling efficiency is improved.
The scheme of drilling with a pipe and using a hole bottom hydraulic hammer can effectively deal with loose and broken stratums, but still has some problems at present, such as the jacking of a casing string is completely driven by a hole bottom drilling tool, no special equipment is arranged on the ground surface, and the efficiency is low; the screwing and unscrewing operation of the sleeve needs to be completed manually, which wastes time and labor; the existing full-hydraulic power head drilling machine does not have the capacity of pulling out a casing string and needs to be equipped with other accessory equipment; the hole bottom hydraulic hammer with the vibration impact function needs to be designed and selected according to the size of a drill hole, and is not suitable for the requirement of multi-stage drilling.
Therefore, it is necessary to develop a drilling machine which can realize the rotary feeding function of a common core drilling machine, can realize impact rotary composite drilling and improve the working efficiency of pipe following drilling and is suitable for drilling loose and broken stratums.
Disclosure of Invention
The invention aims to provide a full hydraulic power head drilling machine suitable for drilling a loose and broken stratum, wherein a pipe twisting machine is additionally arranged while the rotary feeding function of a common core drilling machine is realized, and a power head with a hydraulic vibration impact function is adopted, so that impact power can be applied to a drilling tool in a hole through surface equipment without needing a hydraulic hammer in the hole, impact rotary composite drilling can be realized, and the structure of the drilling tool in the hole is simplified; in addition, the pipe twisting machine is driven by a single hydraulic source, is independently controlled, has strong capacity, can directly pull or press a casing string, does not depend on the driving action of a drilling tool in a hole, can also screw and remove the casing pipe, and greatly improves the working efficiency of pipe following drilling; the defect that in the prior art, a hole bottom hydraulic hammer with a vibration impact effect needs to be designed and selected according to the size of a drilled hole and is not suitable for the requirement of multi-stage drilling is overcome.
In order to achieve the purpose, the technical scheme of the invention is as follows: a full-hydraulic power head drilling machine suitable for drilling a loose and broken stratum is characterized in that: the device comprises a chassis assembly, a centering clamp holder, a pipe twisting machine, a power head, a drill guide rail, a fixed pulley block, a supporting oil cylinder and a feeding oil cylinder;
the power head is fixedly connected with the feeding oil cylinder and is in sliding connection with the drill guide rail;
the upper end of the supporting oil cylinder is connected with a drill guide rail;
the drill guide rail is arranged on the underframe assembly;
the fixed pulley block is fixed on the top of the drill guide rail; changing the direction of the steel wire rope, forming a traction mechanism by matching with a winch on the drilling machine, and pulling the power head and the drill string to the initial position when necessary;
the lower ends of the supporting oil cylinder and the feeding oil cylinder are hinged and fixed on the underframe assembly.
In the technical scheme, a clamping oil cylinder is arranged in the centering clamp holder;
the centering clamp holder is fixed on the connecting plate of the centering clamp holder through a screw.
In the technical scheme, a clamping oil cylinder is arranged inside the pipe twisting machine;
three oil cylinders are hinged outside the pipe twisting machine, one oil cylinder is a pipe twisting machine screwing-off oil cylinder connected with the clamping oil cylinder, the other two oil cylinders are pipe twisting machine feeding oil cylinders, and the two pipe twisting machine feeding oil cylinders are respectively fixed on the centering clamp and a pipe twisting machine feeding oil cylinder hinged support;
the shell of the pipe twisting machine is welded with a sliding sleeve with a lower hexagonal guide rail.
In the technical scheme, a hydraulic vibration impact device is arranged in the power head;
a hexagonal guide rail sliding sleeve is welded on the shell of the power head;
the power head supporting plate component is hinged with the power head;
the power head supporting plate component is fixedly connected with the feeding oil cylinder through screws.
In the technical scheme, the drill guide rail is hinged on the underframe assembly through two connecting shafts; the connecting shaft is welded on the guide rail welding cushion block;
the fixing plate, the guide rail welding cushion block and the drill guide rail are fixedly connected through screws.
The invention has the following advantages:
(1) the pipe twisting machine is additionally arranged while the rotary feeding function of the common core drill is realized, the power head with the hydraulic vibration impact function is adopted, the impact function can be applied to the hole drilling tool through surface equipment, a hydraulic hammer in the hole is not needed, the impact rotary composite drilling can be realized, and the structure of the hole drilling tool is simplified; in addition, the pipe twisting machine is driven by a single hydraulic source, is independently controlled, has strong capability, can directly pull or press a casing string, does not depend on the driving action of a drilling tool in a hole, can screw and remove the casing pipe, and greatly improves the working efficiency of drilling along with the pipe;
(2) the drilling machine can adopt various drilling methods, is applied to different scenes such as engineering investigation construction, surface rock core drilling, hydrographic water well pore-forming operation and the like, and is particularly suitable for drilling construction aiming at loose and broken complex strata. The drilling machine can select a rotary drilling method, an impact rotary drilling method, a pipe following drilling method or directly lower a retaining wall sleeve for the existing drilling hole according to the constraint conditions such as project targets, stratum characteristics and the like;
(3) by adopting a modular design method, all parts of the drilling machine can be detachably transported and then installed for use after being put in place, and the weight of a single module part is not more than 80 kg.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic view of the connection of the underframe assembly, the drill guide rail and the feeding oil cylinder, and the fixed connection structure of the pipe twisting machine and the centering clamp in the invention.
Fig. 4 is a schematic view showing the connection between the tube rolling machine and the centering holder according to the present invention.
Fig. 5 is a diagram of the connection relationship of the bottom of the drill guide rail in the invention.
Fig. 6 is a schematic top view of the present invention.
Fig. 7 is an enlarged view of fig. 1 at a.
Fig. 8 is an enlarged view of fig. 1 at B.
Fig. 9 is a schematic perspective view of the pipe rolling machine according to the present invention.
Fig. 10 is a cross-sectional view of fig. 9.
In fig. 4, 9 and 10, a represents a hinge shaft of the pipe twisting machine; in fig. 9 and 10, B denotes a shell of the hose washing machine.
In the figure, 1-an underframe assembly, 2-a centering clamp, 3-a pipe rolling machine, 4-a power head assembly, 5-a drilling machine guide rail, 6-a fixed pulley assembly, 7-a support oil cylinder, 8-a feed oil cylinder, 9-an upper hexagonal guide rail sliding sleeve, 10-a power head supporting plate assembly, 11-a lower hexagonal guide rail sliding sleeve, 12-a pipe rolling machine feed oil cylinder, 13-a pipe rolling machine screwing and unscrewing oil cylinder, 14-a clamping oil cylinder, 15-a pipe rolling machine feed oil cylinder hinged support, 16-a centering clamp connecting plate, 17-a feed oil cylinder hinged support holding tile, 18-a hinged shaft supporting plate, 19-a connecting shaft, 20-a guide rail welding cushion block and 21-a fixed plate.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be apparent and understood from the description.
The power head function of the invention adds a vibration impact function, structurally combines the structure of a hydraulic vibrator, and is additionally provided with a pipe twisting machine, thus being applicable to the implementation of a pipe following drilling process. The invention aims at the surface drilling pore-forming of the loose and broken stratum and quickly drills through the loose and broken stratum by combining a pipe following drilling process.
With reference to the accompanying drawings: a full hydraulic power head drilling machine suitable for drilling loose and broken stratums is characterized in that a main body of the drilling machine adopts a modular design method, and the whole drilling machine consists of a plurality of main components;
the pipe twisting machine comprises a chassis component 1, a centering holder 2, a pipe twisting machine 3, a power head component 4, a drill guide rail 5, a fixed pulley block 6, a support oil cylinder 7 and a feeding oil cylinder 8; the underframe assembly 1 is a drilling machine base and supports other components;
the centering clamper 2 is fixedly arranged on a centering clamper connecting plate 16 through a screw, and the centering clamper connecting plate 16 is hinged with a connecting shaft 19;
the upper end face and the lower end face of the pipe rolling machine 3 are inserted with a pipe rolling machine hinged shaft in an inserted mode, the pipe rolling machine hinged shaft is used for limiting the translation of the pipe rolling machine 3, the pipe rolling machine hinged shaft is fixedly connected with the upper clamping plate and the lower clamping plate of the lower hexagonal guide rail sliding sleeve 11 through screws, and the lower hexagonal guide rail sliding sleeve 11 is sleeved on the sliding guide rail and can slide up and down along the guide rail;
the centering holder 2 is connected with the pipe twisting machine 3 through a pipe twisting machine feeding oil cylinder 12, two pipe twisting feeding oil cylinders 12 are arranged, the positions are symmetrical, parallel and level, and the two pipe twisting feeding oil cylinders are synchronously telescopic, one cylinder is fixedly arranged on the centering holder 2, and the other cylinder is fixedly arranged on a guide rail welding cushion block 20; the two piston rods are hinged with the pipe twisting machine 3, and the pipe twisting machine 3 slides up and down along the guide rail under the push of the piston rods.
The power head assembly 4 consists of a power head, a hexagonal guide rail sliding sleeve 9 and a power head supporting plate assembly 10, and the power head is fixedly connected with the feeding oil cylinder 8 and is in sliding connection with the drill guide rail 5; the shell of the power head supporting plate assembly 10 is welded with an upper hexagonal guide rail sliding sleeve 9, so that the limiting effect is achieved, and the power head supporting plate assembly 10 can only vertically slide along the drill guide rail 5 and cannot rotate and translate;
the drill guide rail 5 is arranged on the underframe assembly 1;
the fixed pulley block 6 is fixed on the top of a drill guide rail 5 (namely, the fixed pulley block 6 penetrates through a steel wire rope which is used for lifting a drilling tool in a drill hole), the direction of the steel wire rope is changed, the steel wire rope is matched with a winch on a drill to form a traction mechanism, and a power head and a drill string are pulled to an initial position according to use requirements; the fixed pulley block 6 is used for fishing a core taking pipe in a hole in the rope core taking process;
a support oil cylinder 7 and a feed oil cylinder 8 are hinged and fixed on the underframe assembly 1, a piston rod of the support oil cylinder 7 is hinged with a drill guide rail 5, the drill body is driven by the extension and contraction of the piston rod of the support oil cylinder 7 to rotate around a connecting shaft 19, a cylinder barrel of the feed oil cylinder 8 is welded with the power head assembly 4, and the power head assembly 4 is driven by the extension and contraction of the feed oil cylinder to move up and down; the support oil cylinder 7 drives the main structure of the drilling machine to rotate around the connecting shaft 19 by means of the extension of the piston rod, and the hole opening direction is changed.
Furthermore, a clamping oil cylinder 14 is arranged inside the centering clamper 2,
the centering clamp holder 2 is fixed on a centering clamp holder connecting plate 16 through screws, and the centering clamp holder is fixedly arranged to be rigidly connected with a main structure of the drilling machine.
Further, a pair of clamping cylinders 14 (two clamping cylinders are respectively arranged inside the centering clamp 2 and the tube rolling machine 3) is arranged inside the tube rolling machine 3 and used for fixedly clamping a sleeve passing through a center hole of the tube rolling machine 3, the tube rolling machine is hinged between an upper clamping plate and a lower clamping plate of the lower hexagonal guide rail sliding sleeve 11 and can freely rotate, a hinged shaft of the tube rolling machine is connected with the lower hexagonal guide rail sliding sleeve 11 through threads, three cylinders are hinged on the lower hexagonal guide rail sliding sleeve 11, one of the cylinders is a tube rolling machine screwing and unscrewing cylinder 13, the other end of the screwing and unscrewing cylinder 13 is hinged with a tube rolling machine shell, and a piston rod of the screwing and unscrewing cylinder 13 of the tube rolling machine is telescopic and can drive the tube rolling machine to rotate; the other two feeding oil cylinders 12 are respectively a tube rolling machine feeding oil cylinder 12, the two tube rolling machine feeding oil cylinders 12 are respectively fixed on the centering holder 2 and a tube rolling machine feeding oil cylinder hinged support 15, and the two tube rolling machine feeding oil cylinders 12 synchronously act to drive the tube rolling machine to move up and down;
the lower hexagonal guide rail sliding sleeve 11 is fixedly connected with a stator inside the pipe twisting machine through screws, and the pipe twisting machine is arranged between two clamping plates, can rotate around a central hole of the pipe twisting machine and cannot move up and down along the stator. The lower hexagonal guide rail sliding sleeve 11 is sleeved on the drill guide rail 5, and has a limiting effect on the pipe rolling machine and a pipe rolling machine feeding oil cylinder connected with the pipe rolling machine, so that the pipe rolling machine can only slide up and down.
The cylinder barrel of the twisting-off oil cylinder 13 of the pipe twisting machine is hinged on the hexagonal guide rail sliding sleeve 11 and can also rotate around the hinged shaft.
The pipe rolling machine 3 has the main functions of matching with the centering clamper 2, screwing off the casing pipe, and pulling and feeding the casing pipe string. The casing string penetrates through the central holes of the pipe rolling machine 3 and the centering holder 2 and is clamped and fixed by the clamping oil cylinder, the casing string is formed by connecting a plurality of sleeves (namely special steel pipes) by threads, the centering holder holds a single sleeve at the lower part through the clamping oil cylinder, and the pipe rolling machine holds a single sleeve at the upper part through the clamping oil cylinder.
When the sleeve is unloaded, the piston rod of the oil cylinder 13 screwed down by the pipe twisting machine extends outwards to drive the pipe twisting machine and the upper sleeve to slightly rotate for a certain angle around the central hole of the pipe twisting machine, the tightest buckles in the threaded connection are unfastened, then the oil cylinder 14 is clamped to be loosened, the sleeve is manually taken down, and the screwing is carried out in the same way.
Pulling up and feeding the sleeve, namely, the piston cylinder expansion process of the feeding oil cylinder 12, generally only feeding without pulling up, when feeding, the upper clamping oil cylinder clamps, the lower clamping oil cylinder loosens, the piston rod of the feeding oil cylinder 12 contracts to the bottom, then the pipe twisting machine clamping oil cylinder loosens, the piston rod of the feeding oil cylinder extends to a preset position, the pipe twisting machine clamping oil cylinder clamps, the above processes are repeated, thus realizing feeding,
the casing string is supported from the bottom of the hole. The pull-out method is used with the casing string.
The device is not connected with a drill string, the drill string is arranged in a sleeve and is concentric without contact, and the drill string exceeds the sleeve string for a certain distance and is clamped by a power head.
Furthermore, the power head of the power head assembly 4 is driven by a single motor, a hydraulic clamping device and a hydraulic vibration impact device are installed in the power head assembly, a central hole of the power head penetrates through a drill string, the hydraulic clamping device clamps the drill string, the motor rotates, the vibration impact device works, and torque, rotating speed and impact power are provided for a hole bottom drilling tool through the drill string;
the shell of the power head supporting plate component 10 is welded with a hexagonal guide rail sliding sleeve 9 (with a limiting function, the power head supporting plate component 10 can only slide up and down along the drill guide rail and can not rotate and translate), and is matched with the drill guide rail 5 to play a role in limiting the power head component 4;
the power head supporting plate component 10 is hinged with the power head; the power head of the power head assembly 4 can rotate around the shaft on the supporting plate assembly 10 to leave the position of the hole opening, so that the operation is convenient;
the power head supporting plate assembly 10 is fixedly connected with the feeding oil cylinder 8 through screws, and the feeding oil cylinder 8 drives the power head supporting plate assembly 10 to slide up and down along the drill guide rail 5.
Furthermore, the drill guide rail 5 is a sliding base of the power head assembly 4 and the pipe twisting machine 3 and supports other key components of the drill;
the drill guide rail 5 is hinged with the underframe assembly 1 through a connecting shaft 19; the feeding oil cylinder hinged seat holding tile 17 and the hinged shaft supporting plate 18 are both arranged on the centering clamp holder connecting plate 16; the holding tile 17 of the hinged seat of the feeding oil cylinder is positioned between the fixed plate 21 and the hinged shaft supporting plate 18;
one end of a connecting shaft 19 sequentially penetrates through the throw tile 17 of the feeding oil cylinder hinged seat and the hinged shaft supporting plate 18 and is welded on the guide rail welding cushion block 20; the other end is movably connected with the underframe assembly 1.
The fixing plate 21, the guide rail welding cushion block 20 and the drill guide rail 5 are fixedly connected into a rigid whole through screws;
the drill guide rail 5 is fixed by a support oil cylinder 7 to support the main structure of the drill.
Examples
The invention will be described in detail by taking the embodiment of the invention trying to be used for certain core drilling construction as an example, and has a guiding function for the application of the invention to the drilling of other loose and broken strata.
In the embodiment, a casing drilling method is adopted for core drilling construction, and the specific method is as follows:
(1) the construction equipment is mainly used. The invention relates to a full hydraulic power head drilling machine which is suitable for drilling a loose and broken stratum, comprising 1 set of power unit, 1 set of slurry stirring and purifying equipment and two sets of core drilling tools, wherein a plurality of casing pipes and drill rods with corresponding sizes and a plurality of guide centralizers are selected according to a designed drilling structure.
(2) And (5) installing a drilling machine. The drilling machine is required to be installed stably and solidly, foundation bolts are pre-embedded according to foundation screw holes of the drilling machine in order to prevent the drilling machine from shaking back and forth and left and right, so that the ground, the machine bench and the drilling machine are integrated, and the front and the back of the drilling machine are on the same horizontal plane by using a horizontal ruler. And adjusting the elongation of the support oil cylinder 7 according to the pre-designed opening angle until the inclination angle of the axis of the drill guide rail 5 reaches a preset target.
(3) And (5) coring process. And selecting proper drilling procedure parameters and mud parameters, wherein the specific coring method is as follows.
1) And before drilling down, assembling and debugging each assembly according to requirements to meet the drilling down requirement. The drilling tool is connected with a casing pipe through a pipe boot, a drill pipe column and a casing pipe string are nested concentrically, the casing pipe passes through a centering clamp 2 and the axis of a pipe twisting machine 3, and the upper end of the drill pipe column is in threaded connection with a power head assembly 4.
2) And (4) pulling out the drill, starting the power unit and starting slurry circulation. The power head assembly 4 rotates, the hydraulic vibration impactor works, the eccentric drill bit is driven by the drill string to break rock and drill, the feeding oil cylinder retracts, and the power head assembly 4 slides downwards along the drill guide rail 5. Meanwhile, the centering clamper 2 clamps the casing, and the feeding oil cylinder 12 of the pipe twisting machine contracts synchronously to drive the casing string to extend downwards.
3) And then is connected with a single wire. The drill rod is longer than one end of the sleeve close to the ground, a tool is used for clamping the drill rod, and the power head assembly 4 rotates reversely to be broken off and rises to the upper part. Aligning a drill rod and a sleeve concentric nesting piece to the drill rod and the sleeve in the hole, clamping the inner sleeve in the hole by a centering clamp holder 2, clamping a newly added sleeve by a pipe twisting machine 3, turning a screwing-off oil cylinder 13 of the pipe twisting machine, and screwing the sleeve; and the output shaft of the power head is aligned with the threaded joint at the upper end of the newly added drill rod, and then the power head directly rotates to screw down the drill rod. And continuing the drilling operation.
4) And finally, filling the core tube with the rock core, reversely rotating the power head assembly 4 by a certain angle, withdrawing the eccentric drill bit into the sleeve, and lifting the drill.
At the moment, the casing string is separated from the drill string, the casing string is left in the hole to play a role of wall protection, and the drill string is directly lifted out of the ground surface to finish the coring operation.
Other parts not described belong to the prior art.
Claims (5)
1. A full-hydraulic power head drilling machine suitable for drilling a loose and broken stratum is characterized in that: the pipe twisting machine comprises an underframe assembly (1), a centering clamp holder (2), a pipe twisting machine (3), a power head assembly (4), a drill guide rail (5), a fixed pulley block (6), a support oil cylinder (7) and a feeding oil cylinder (8);
a power head of the power head assembly (4) is fixedly connected with the feeding oil cylinder (8) and is in sliding connection with the drill guide rail (5);
the drill guide rail (5) is connected with the support oil cylinder (7);
the drill guide rail (5) is arranged on the underframe assembly (1);
the fixed pulley block (6) is fixed on the top of the drill guide rail (5);
the supporting oil cylinder (7) and the feeding oil cylinder (8) are hinged and fixed on the underframe assembly (1).
2. A fully hydraulic power head drill suitable for drilling unconsolidated fractured formations as recited in claim 1, wherein: a clamping oil cylinder (14) is arranged in the centering clamp holder (2);
the centering clamp holder (2) is fixed on a centering clamp holder connecting plate (16) through a screw.
3. A fully hydraulic power head drill suitable for drilling unconsolidated fractured formations according to claim 1 or 2, wherein: a clamping oil cylinder (14) is arranged inside the pipe twisting machine (3);
three oil cylinders are hinged to the outer part of the pipe rolling machine (3), one oil cylinder (13) is a pipe rolling machine screwing-off oil cylinder (13) connected with a clamping oil cylinder (14), the other two oil cylinders are pipe rolling machine feeding oil cylinders (12), and the two pipe rolling machine feeding oil cylinders (12) are respectively fixed on the centering clamp holder (2) and a pipe rolling machine feeding oil cylinder hinged support (15);
the shell of the pipe twisting machine (3) is welded with a lower hexagonal guide rail sliding sleeve (11).
4. A fully hydraulic power head drill suitable for drilling unconsolidated fractured formations as defined in claim 3 wherein: the power head assembly (4) consists of a power head, a hexagonal guide rail sliding sleeve (9) and a power head supporting plate assembly (10);
a hydraulic clamping and hydraulic vibration impact device is arranged in a power head of the power head assembly (4);
a hexagonal guide rail sliding sleeve (9) is welded on the shell of the power head supporting plate component (10);
the power head supporting plate component (10) is hinged with the power head;
the power head supporting plate component (10) is fixedly connected with the feeding oil cylinder (8) through screws.
5. A fully hydraulic power head drill suitable for drilling unconsolidated fractured formations according to claim 4, wherein: the drill guide rail (5) is hinged with the underframe assembly (1) through a connecting shaft (19), and the connecting shaft (19) is welded on a guide rail welding cushion block (20);
the fixing plate (21), the guide rail welding cushion block (20) and the drill guide rail (5) are fixedly connected through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210653498.6A CN115012810A (en) | 2022-06-09 | 2022-06-09 | Full-hydraulic power head drilling machine suitable for drilling loose and broken stratum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210653498.6A CN115012810A (en) | 2022-06-09 | 2022-06-09 | Full-hydraulic power head drilling machine suitable for drilling loose and broken stratum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115012810A true CN115012810A (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210653498.6A Pending CN115012810A (en) | 2022-06-09 | 2022-06-09 | Full-hydraulic power head drilling machine suitable for drilling loose and broken stratum |
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| CN (1) | CN115012810A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116733365A (en) * | 2023-07-17 | 2023-09-12 | 北京探矿工程研究所 | Impact rotary electric sampling drilling machine suitable for coverage area investigation |
-
2022
- 2022-06-09 CN CN202210653498.6A patent/CN115012810A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116733365A (en) * | 2023-07-17 | 2023-09-12 | 北京探矿工程研究所 | Impact rotary electric sampling drilling machine suitable for coverage area investigation |
| CN116733365B (en) * | 2023-07-17 | 2024-04-05 | 北京探矿工程研究所 | Impact rotary electric sampling drilling machine suitable for coverage area investigation |
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