CN112727348A - Multi-section drilling screw drilling tool - Google Patents
Multi-section drilling screw drilling tool Download PDFInfo
- Publication number
- CN112727348A CN112727348A CN202110106605.9A CN202110106605A CN112727348A CN 112727348 A CN112727348 A CN 112727348A CN 202110106605 A CN202110106605 A CN 202110106605A CN 112727348 A CN112727348 A CN 112727348A
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- Prior art keywords
- drill rod
- drill
- drilling
- wear
- screw
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/006—Accessories for drilling pipes, e.g. cleaners
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
Abstract
The invention provides a multi-section drilling screw drill tool, which belongs to the technical field of drilling equipment and is characterized in that drill rods on an original screw drill tool are divided into a first drill rod, a second drill rod, a wear-resistant mechanism, a screw mechanism and an extension mechanism, wherein the second drill rod is connected with the first drill rod, the distance between the second drill rod and the first drill rod is adjustable, the wear-resistant mechanism can contact and rub a drilling wall in the drilling process, the wear-resistant mechanism is spirally arranged on the first drill rod or the second drill rod, the screw mechanism is used for contacting the drilling wall and assisting to push the first drill rod or the second drill rod to move towards the drilling direction in the drilling process, the extension mechanism is used for slightly extending the axial length of the drill rods, and the. The multi-section drilling screw drilling tool provided by the invention has the technical effects that the length of the drill rod of the screw drilling tool can be slightly adjusted, the drill rod has multiple functions, the drilling quality is not influenced, and the drilling efficiency of the screw drilling tool can be improved.
Description
Technical Field
The invention belongs to the technical field of drilling equipment, and particularly relates to a multi-section drilling screw rod drilling tool.
Background
The conventional screw drill tool is mainly composed of a bypass valve assembly, a motor assembly, a universal joint assembly and a transmission shaft assembly. When drilling, the drilling fluid drives the motor assembly to output power, and the power output is transmitted to a drill bit connected with the lower part of the screw drill through the universal joint assembly and the transmission shaft assembly, so that the drilling work is performed. The stator part lining rubber contour of the motor component and the rotor part form a motor pair. When the loading device is used, the well body is bent or the drill string is stuck on the well wall, so that the loading bit pressure is not stable, if the loading bit pressure is too large, the output torque of the motor exceeds the highest pressure drop which can be borne by the rubber structure, the motor part is damaged, the service life of the screw drilling tool is shortened, and the working efficiency of the screw drilling tool is reduced. In addition, the length of a screw rod or a drill rod of the screw rod drilling tool in the prior art can not be adjusted in a micro-scale mode, the drill rod is single in function and difficult to adapt to the drilling work of various different rock strata, the drilling quality of a well body can be influenced, and the production operation efficiency can be seriously influenced.
Disclosure of Invention
The invention aims to provide a multi-section drilling screw drill, and aims to solve the technical problems that the length of a drill rod of the screw drill in the prior art cannot be adjusted in a micro-scale mode, the function of the drill rod is single, and the drilling quality is influenced.
In order to achieve the purpose, the invention adopts the technical scheme that: the multi-section drilling screw drill comprises a screw drill body, wherein drill rods on the screw drill body comprise a first drill rod, a second drill rod, a wear-resistant mechanism, a spiral mechanism and an extension mechanism, the first drill rod is hollow, and connecting parts are arranged at two ends of the first drill rod; the second drill rod is hollow, connecting parts are arranged at two ends of the second drill rod, the end part of the second drill rod is in butt joint with the end part of the first drill rod and is coaxially arranged, the distance between the second drill rod and the first drill rod is adjustable, and the second drill rod can be limited after being adjusted; the wear-resistant mechanism is arranged on the outer circumference of the first drill rod or the second drill rod and is used for contacting with the friction drill hole wall along with the first drill rod or the second drill rod in the drilling process, and the wear-resistant mechanism is spirally arranged on the first drill rod or the second drill rod; the screw mechanism is arranged on the outer circumference of the first drill rod or the second drill rod and is used for contacting the wall of a drilled hole and assisting to push the first drill rod or the second drill rod to move towards the drilling direction in the drilling process; the extension mechanism is used for being connected with the end part of the first drill rod or the second drill rod and is used for slightly extending the axial length of the drill rod, and the end part of the extension mechanism can be connected with the adjacent drill rod.
As another embodiment of this application, a tip of first drilling rod is equipped with telescopic protruding structure, protruding structure is the cavity tube-shaped body that is the cylinder, and with first drilling rod coaxial arrangement be equipped with the external screw thread on protruding structure's the outer circumference be equipped with a plurality of first spring parts on the tip lateral wall of first drilling rod, work as the second drilling rod with after first drilling rod butt joint, it is a plurality of first spring part is used for the elasticity butt joint the second drilling rod, the tip of second drilling rod be equipped with be used for with protruding structure looks adaptation connection's connection structure.
As another embodiment of this application, connection structure is including locating the inside sleeve of second drilling rod tip, sleeve inner wall circumference is equipped with the internal thread, the sleeve is arranged in inside the second drilling rod and with the coaxial setting of second drilling rod, the sleeve with protruding structure threaded connection the second drilling rod is inside and be close to be equipped with a plurality of second spring parts on the telescopic inner, the second spring part is followed second drilling rod inner wall circumference upwards sets up, works as the second drilling rod with the back is connected to first drilling rod, and is a plurality of the free end of second spring part is used for the elasticity to push against protruding structure's outer terminal surface, and is used for spacingly first drilling rod axial displacement.
As another embodiment of this application the tip of first drilling rod has set firmly a plurality of L type framves along the circumferencial direction be equipped with a plurality of through-holes along length direction on the L type frame be equipped with a plurality of draw-in grooves on the second drilling rod outer wall be equipped with joint spare in the draw-in groove, but the lower extreme joint of joint spare is in the draw-in groove, but the upper end of joint spare is used for passing one on the L type frame the through-hole for it is spacing L type frame, L type frame length direction is followed first drilling rod or second drilling rod axial setting, first drilling rod with the back is connected to the second drilling rod, the reconnection joint spare.
As another embodiment of the application, the wear-resistant mechanism comprises a plurality of sliding rails, a sliding sleeve, a limiting wire and a wear-resistant assembly, the sliding rails are uniformly distributed along the circumferential direction of the first drill rod or the second drill rod, and the length direction of the sliding rails is parallel to the length direction of the first drill rod or the second drill rod; the sliding sleeve is of a sleeve-shaped structure, is sleeved on the outer circumference of the first drill rod or the second drill rod and is coaxial with the first drill rod or the second drill rod, a plurality of sliding strips are arranged on the inner side of the sliding sleeve, and the sliding strips are respectively in one-to-one corresponding sliding connection with the plurality of sliding rails; a plurality of limiting wires sequentially penetrate through the sliding sleeve and the sliding strip and can be abutted and locked on the first drill rod or the second drill rod, the limiting wires are used for locking the sliding sleeve on the first drill rod or the second drill rod, and the locking ends of the limiting wires are positioned on the first drill rod or the second drill rod surrounded by the sliding rail; wear assembly is a plurality of, and the equipartition is in on the sliding sleeve outer wall first drilling rod or the circumference of second drilling rod upwards, wear assembly with jackscrew dislocation set, wear assembly is used for butt contact friction drilling wall, wear assembly with the sliding sleeve is for dismantling the connection, wear assembly's height is greater than the height of spacing silk.
As another embodiment of the application, the wear-resistant assembly comprises a wear-resistant seat, a wear-resistant protrusion, a sealing ring and a spring, the wear-resistant seat is locked on the outer wall of the sliding sleeve through a locking piece, the outer end of the wear-resistant seat is of an arc-shaped protrusion structure and is provided with a blind hole, an internal thread is arranged in the blind hole, and the depth direction of the blind hole is the radial direction of the sliding sleeve; the outer end of the wear-resistant bulge is of a mushroom-shaped bulge structure, and the wear-resistant bulge is used for abutting and contacting with the wall of the friction drill hole; the seal ring is sleeved on the wear-resistant bulge, and is used for sealing a gap between the wear-resistant bulge and the blind hole after the wear-resistant bulge is connected with the blind hole; the spring is a plurality of, all locates the blind hole bottom, wear-resisting protruding with the blind hole spiro union back, it is a plurality of the spring is used for elasticity to push against wear-resisting protruding and prevent wear-resisting protruding axial displacement.
As another embodiment of this application, screw mechanism is including locating be spiral helicine helical blade on the sliding sleeve, helical blade with the help of the sliding sleeve removes sliding connection in first drilling rod or on the second drilling rod outer circumference, screw mechanism is in first drilling rod or axial position on the second drilling rod can be adjusted with the help of the sliding sleeve, helical blade sets up and is being close to on the sliding sleeve one side of spacing silk, helical blade's height is greater than spacing silk's height, helical blade are used for contacting the drilling wall and supplementary propulsion in boring first drilling rod or second drilling rod removes towards the direction of drilling.
As another embodiment of this application, screw mechanism is still including locating first drilling rod or be spiral helicine helical blade on the second drilling rod outer circumference, helical blade's setting height is greater than extend the mechanism external diameter with difference in height between the first drilling rod external diameter, helical blade's setting height still is greater than wear-resisting mechanism's height, helical blade are used for contacting the drilling wall and supplementary propulsion in boring first drilling rod or the second drilling rod removes towards the direction of drilling.
As another embodiment of the application, the extension mechanism includes a first extension assembly, a second extension assembly and an adjustment column, an internal thread is circumferentially arranged on an inner side wall of a connecting portion of the first drill rod or the second drill rod, one end of the first extension assembly is a cylinder, the other end of the first extension assembly is a blind hole provided with an internal thread, the cylinder is coaxial with the first drill rod or the second drill rod, an external thread is arranged on an outer wall of the cylinder, the cylinder is in threaded connection with the first drill rod or the second drill rod, and a distance between the first extension assembly and the first drill rod or the second drill rod is adjusted through threaded connection; the second extension assembly is coaxial with the first extension assembly, one end of the second extension assembly is provided with a blind hole with an internal thread, the other end of the second extension assembly is the connecting part and is used for connecting adjacent drill rods, and the rotating direction of the internal thread in the blind hole of the second extension assembly is opposite to that of the internal thread in the blind hole of the first extension assembly; the regulation post is the cylinder shape, and both ends are equipped with respectively and revolve to opposite external screw thread, and both ends respectively with the internal thread of first extension subassembly with the internal thread threaded connection of second extension subassembly revolves soon the regulation post is used for adjusting first extension subassembly with distance between the second extension subassembly, the axial length of drilling rod can be with the help of adjust post micro-adjustment.
As another embodiment of this application, outer hexagon nut has cup jointed on the regulation post, be equipped with a plurality of spring top pieces on the axial lateral wall of outer hexagon nut, it is a plurality of spring top piece length direction with first drilling rod or second drilling rod axial direction is parallel, one end set firmly in outer hexagon nut is last, the other end is the free end and is used for leaning on first extension subassembly or the inside wall of second extension subassembly, first extension subassembly or the second extension subassembly with adjust the post and connect the back, it is a plurality of spring top piece is used for the elasticity to push up first extension subassembly or the second extension subassembly, and be used for spacingly first extension subassembly or the axial displacement of second extension subassembly adjust the outer wall circumference of post upwards the equipartition have a plurality of wear-resisting posts, wear-resisting post is used for the contact friction drilling wall.
The multi-section drilling screw drilling tool provided by the invention has the beneficial effects that: compared with the prior art, the invention discloses a multi-section drilling screw drilling tool, which divides a drill rod on an original screw drilling tool into a first drill rod, a second drill rod, a wear-resistant mechanism, a spiral mechanism and an extension mechanism, wherein the second drill rod is connected with the first drill rod, the distance between the second drill rod and the first drill rod is adjustable, the wear-resistant mechanism can contact and rub a drilling wall in the drilling process, the wear-resistant mechanism is spirally arranged on the first drill rod or the second drill rod, the spiral mechanism is used for contacting the drilling wall and assisting to push the first drill rod or the second drill rod to move towards the drilling direction in the drilling process, the extension mechanism is used for extending the axial length of the drill rod in a micro-scale manner, the end part of the extension mechanism can be connected with adjacent drill rods, the invention solves the technical problems that the length of the drill rod of the screw drilling tool in the prior art can not be adjusted in a micro, the drilling quality is not influenced, and the technical effect of the drilling efficiency of the screw drill can be improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a multi-section drilling screw drill according to an embodiment of the present invention;
FIG. 2 is a left side view of a multi-section drilling screw drill according to an embodiment of the present invention;
FIG. 3 is a schematic view of the wear assembly of FIG. 2;
FIG. 4 is a schematic view of the left half of FIG. 1;
FIG. 5 is a schematic diagram of the middle structure of FIG. 1;
FIG. 6 is a schematic diagram of the right half structure of FIG. 1;
FIG. 7 is a schematic structural view of another multi-section drilling screw drill according to an embodiment of the present invention;
fig. 8 is a schematic view of the extension mechanism of fig. 7.
In the figure: 1. a first drill rod; 11. a raised structure; 12. a first spring member; 13. an L-shaped frame; 14. a through hole; 15. a card slot; 16. a clamping piece; 2. a second drill pipe; 21. a sleeve; 22. a second spring member; 3. a wear resistant mechanism; 31. a slide rail; 32. a sliding sleeve; 33. a limiting wire; 34. a wear assembly; 341. a wear resistant seat; 342. wear-resistant protrusions; 343. a seal ring; 344. a spring; 345. a locking member; 35. a slide bar; 4. a screw mechanism; 5. an extension mechanism; 51. a first extension assembly; 52. a second extension member; 53. an adjustment column; 54. a cylinder; 55. an outer hexagonal nut; 56. a spring top; 57. a wear-resistant column.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 8, a multi-section drilling screw drill according to the present invention will now be described. The multi-section drilling screw drill comprises a screw drill body, wherein drill rods on the screw drill body comprise a first drill rod 1, a second drill rod 2, a wear-resistant mechanism 3, a spiral mechanism 4 and an extension mechanism 5, the first drill rod 1 is hollow, and connecting parts are arranged at two ends of the first drill rod 1; the second drill rod 2 is hollow, connecting parts are arranged at two ends of the second drill rod, the end parts of the second drill rod 2 and the end part of the first drill rod 1 are mutually butted and coaxially arranged, the distance between the second drill rod 2 and the first drill rod 1 is adjustable, and the second drill rod can be limited after being adjusted; the wear-resistant mechanism 3 is arranged on the outer circumference of the first drill rod 1 or the second drill rod 2 and is used for contacting with the friction drill hole wall along with the first drill rod 1 or the second drill rod 2 in the drilling process, and the wear-resistant mechanism 3 is spirally arranged on the first drill rod 1 or the second drill rod 2; the screw mechanism 4 is arranged on the outer circumference of the first drill rod 1 or the second drill rod 2 and is used for contacting the wall of a drilled hole and assisting in propelling the first drill rod 1 or the second drill rod 2 to move towards the drilling direction during drilling; the extension mechanism 5 is used for connecting with the end part of the first drill rod 1 or the second drill rod 2 and slightly extending the axial length of the drill rod, and the end part of the extension mechanism 5 can be connected with the adjacent drill rod.
The invention provides a multi-section drilling screw drill tool, compared with the prior art, the multi-section drilling screw drill tool divides drill rods on the original screw drill tool into a first drill rod 1, a second drill rod 2, a wear-resistant mechanism 3, a screw mechanism 4 and an extension mechanism 5, the second drill rod 2 is connected with the first drill rod 1, the distance between the second drill rod 2 and the first drill rod 1 is adjustable, the wear-resistant mechanism 3 can contact with and rub the drill hole wall in the drilling process, the wear-resistant mechanism 3 is spirally arranged on the first drill rod 1 or the second drill rod 2, the screw mechanism 4 is used for contacting the drill hole wall and assisting in propelling the first drill rod 1 or the second drill rod 2 to move towards the drilling direction in the drilling process, the extension mechanism 5 is used for slightly extending the axial length of the drill rods, and the end part of the extension mechanism 5 can be connected with adjacent drill rods, the invention solves the problems that the length of the drill rods of, the technical problem of influencing the drilling quality has the technical effects of micro-adjustment of the length of a drill rod of the screw drilling tool, multiple functions of the drill rod, no influence on the drilling quality and capability of improving the drilling efficiency of the screw drilling tool.
Note that, in the drawings in the present application, reference numerals are merely used for meaning and for convenience of understanding, and are used for: the first and second drill rods 1, 2 may also be provided as first and second drill rods 2, 1, only the first numbering method being shown in the figures, although the second numbering method is also applicable in the present application.
As a specific embodiment of the multi-section drilling screw drilling tool provided by the present invention, please refer to fig. 1 to 8, a sleeve-type protruding structure 11 is disposed at an end of a first drill rod 1, the protruding structure 11 is a cylindrical hollow cylindrical body and is disposed coaxially with the first drill rod 1, an external thread is disposed on an outer circumference of the protruding structure 11, a plurality of first spring members 12 are disposed on a side wall of the end of the first drill rod 1, after the second drill rod 2 is in butt joint with the first drill rod 1, the plurality of first spring members 12 are used for elastically abutting against the second drill rod 2, and a connection structure for being in fit connection with the protruding structure 11 is disposed at an end of the second drill rod 2.
As a specific embodiment of the multi-section drilling screw drilling tool provided by the present invention, referring to fig. 1 to 8, the connection structure includes a sleeve 21 disposed inside one end portion of the second drill rod 2, an internal thread is circumferentially disposed on an inner wall of the sleeve 21, the sleeve 21 is disposed inside the second drill rod 2 and coaxially disposed with the second drill rod 2, the sleeve 21 is in threaded connection with the protrusion structure 11, a plurality of second spring members 22 are disposed inside the second drill rod 2 and at an inner end close to the sleeve 21, the second spring members 22 are circumferentially disposed along an inner wall of the second drill rod 2, and after the second drill rod 2 is connected with the first drill rod 1, free ends of the plurality of second spring members 22 are used for elastically pushing against an outer end surface of the protrusion structure 11 and for limiting axial movement of the first drill rod 1. Through threaded connection's distance between first drilling rod 1 and the second drilling rod 2, can adjust interval between the two to realized the effect to the holistic micro-adjustment of drilling rod, when being convenient for creep into to the well bore of the different degree of depth or rock stratum, solved drilling rod length itself and can not adjusted, be difficult to creep into to the end, the problem of the phenomenon of boring is easily leaked to the in-process of drilling.
As a specific embodiment of the multi-section drilling screw drilling tool provided by the present invention, please refer to fig. 1 to 8, a plurality of L-shaped frames 13 are fixedly arranged at an end portion of a first drill rod 1 along a circumferential direction, a plurality of through holes 14 are arranged on the L-shaped frames 13 along a length direction, a plurality of clamping grooves 15 are arranged on an outer wall of a second drill rod 2, clamping members 16 are arranged in the clamping grooves 15, a lower end of the clamping member 16 can be clamped in the clamping grooves 15, an upper end of the clamping member 16 is used for penetrating through one through hole 14 on the L-shaped frame 13 and for limiting the L-shaped frame 13, the L-shaped frame 13 is arranged along the length direction of the first drill rod 1 or the second drill rod 2 along an axial direction, and the clamping member 16 is connected after the first drill rod 1 is connected with the second drill rod 2.
Specifically, joint spare 16 is a lower extreme can the joint, and the member that the middle part can stretch out and draw back earlier arranges joint spare 16 in draw-in groove 15, makes lower extreme and the inside joint of draw-in groove 15, and is fixed promptly, through the flexible of member, makes the upper end of joint spare 16 penetrate in one of them through-hole 14, then has realized the axial fixity to the drilling rod.
As a specific embodiment of the multi-section drilling screw drilling tool provided by the present invention, please refer to fig. 1 to 8, the wear-resistant mechanism 3 includes a plurality of slide rails 31, a sliding sleeve 32, a limiting screw 33 and a wear-resistant assembly 34, the slide rails 31 are uniformly arranged along the circumferential direction of the first drill rod 1 or the second drill rod 2, and the length direction of the slide rails 31 is parallel to the length direction of the first drill rod 1 or the second drill rod 2; the sliding sleeve 32 is of a sleeve 21 type structure, is sleeved on the outer circumference of the first drill rod 1 or the second drill rod 2, is coaxial with the first drill rod 1 or the second drill rod 2, is provided with a plurality of sliding strips 35 on the inner side, and the plurality of sliding strips 35 are respectively in one-to-one corresponding sliding connection with the plurality of sliding rails 31; the plurality of limiting wires 33 sequentially penetrate through the sliding sleeve 32 and the sliding strip 35 and can be abutted and locked on the first drill rod 1 or the second drill rod 2, the limiting wires 33 are used for locking the sliding sleeve 32 on the first drill rod 1 or the second drill rod 2, and the locking ends of the limiting wires 33 are positioned on the first drill rod 1 or the second drill rod 2 surrounded by the sliding rail 31; wear assembly 34 is a plurality of, and the equipartition is on sliding sleeve 32 outer wall, and on the circumference of first drilling rod 1 or second drilling rod 2, wear assembly 34 and jackscrew dislocation set, wear assembly 34 are used for butt contact friction drilling wall, and wear assembly 34 is connected for dismantling with sliding sleeve 32, and wear assembly 34 highly is greater than the height of spacing silk 33.
Specifically, the sliding sleeve 32 is sleeved from one end of the drill rod and sleeved on the outer circumference of the drill rod along the axial direction, the function of protecting the drill rod is achieved, the position of the sliding sleeve 32, which is located on the drill rod, is adjustable, so that the sliding sleeve is suitable for friction when drilling into rock strata of various different types, is smooth in adjustment and convenient to install, the problem that certain parts of the drill rod on the drill rod are easily abraded in the drilling process is solved, and the parts, which are easily abraded, of the drill rod can be well protected through the sliding sleeve 32.
As a specific embodiment of the multi-section drilling screw drilling tool provided by the present invention, please refer to fig. 1 to 8, the wear-resistant assembly 34 includes a wear-resistant seat 341, a wear-resistant protrusion 342, a sealing ring 343 and a spring 344, the wear-resistant seat 341 is locked on the outer wall of the sliding sleeve 32 by a locking member 345, the outer end is an arc-shaped protrusion structure and is provided with a blind hole, an internal thread is arranged in the blind hole, and the depth direction is radial direction of the sliding sleeve 32; the wear-resistant protrusion 342 is in threaded connection with the inner thread of the blind hole, the outer end of the wear-resistant protrusion 342 is of a mushroom-shaped protrusion structure, and the wear-resistant protrusion 342 is used for being abutted against and contacting with the wall of the friction drill hole; the seal ring 343 is sleeved on the wear-resistant protrusion 342, and after the wear-resistant protrusion 342 is connected with the blind hole, the seal ring 343 is used for sealing a gap between the wear-resistant protrusion 342 and the blind hole; the plurality of springs 344 are arranged at the bottom of the blind hole, and after the wear-resistant protrusions 342 are screwed with the blind hole, the plurality of springs 344 are used for elastically pushing the wear-resistant protrusions 342 and preventing the wear-resistant protrusions 342 from axially moving.
Specifically, the wear-resistant seat 341 and the wear-resistant protrusion 342 are made of wear-resistant materials, and can actively contact with a rock formation wall or a well body in the drilling process, so that the drill rod is prevented from being worn, and the drill rod is protected.
Referring to fig. 1 to 8, as an embodiment of the multi-section drilling screw drilling tool provided by the present invention, the screw mechanism 4 includes a helical screw blade disposed on a sliding sleeve 32, the helical screw blade is movably and slidably connected to an outer circumference of the first drill rod 1 or the second drill rod 2 by means of the sliding sleeve 32, an axial position of the screw mechanism 4 on the first drill rod 1 or the second drill rod 2 is adjustable by means of the sliding sleeve 32, the screw blade is disposed on a side close to a limiting wire 33 on the sliding sleeve 32, a height of the screw blade is greater than a height of the limiting wire 33, and the screw blade is configured to contact a drilling wall and assist in propelling the first drill rod 1 or the second drill rod 2 to move in a drilling direction during drilling.
Referring to fig. 1 to 8, the screw mechanism 4 further includes a helical screw blade disposed on an outer circumference of the first drill rod 1 or the second drill rod 2, a height of the screw blade is greater than a height difference between an outer diameter of the extension mechanism 5 and an outer diameter of the first drill rod 1, a height of the screw blade is greater than a height of the wear-resistant mechanism 3, and the screw blade is configured to contact a drill hole wall and assist in propelling the first drill rod 1 or the second drill rod 2 to move in a drilling direction during drilling.
Specifically, the screw mechanism 4 is provided in two ways, and referring to the description of the two embodiments, the screw mechanism 4 can be directly provided on the drill rod body, or can be provided on the wear-resistant mechanism 3, and by means of the axial sliding of the wear-resistant mechanism 3, the axial position of the screw mechanism 4 on the drill rod can be adjusted, so that the screw drilling machine is convenient to adjust reasonably, and meets the requirements of screw drilling.
As a specific embodiment of the multi-section drilling screw drilling tool provided by the present invention, please refer to fig. 1 to 8, the extension mechanism 5 includes a first extension assembly 51, a second extension assembly 52 and an adjustment column 53, an inner side wall of a connection portion of the first drill rod 1 or the second drill rod 2 is circumferentially provided with an internal thread, one end of the first extension assembly 51 is a cylinder 54, the other end is a blind hole provided with an internal thread, the cylinder 54 is coaxial with the first drill rod 1 or the second drill rod 2, an external thread is provided on an outer wall of the cylinder 54, the cylinder 54 is connected with the internal thread of the first drill rod 1 or the second drill rod 2, and a distance between the first extension assembly 51 and the first drill rod 1 or the second drill rod 2 is adjusted by a threaded connection; the second extension assembly 52 is coaxial with the first extension assembly 51, one end of the second extension assembly is provided with a blind hole with internal threads, the other end of the second extension assembly is a connecting part and is used for connecting adjacent drill rods, and the screwing direction of internal threads in the blind hole of the second extension assembly 52 is opposite to that of internal threads in the blind hole of the first extension assembly 51; the adjusting column 53 is in a cylindrical shape, two ends of the adjusting column are respectively provided with external threads with opposite screwing directions, the two ends of the adjusting column are respectively in threaded connection with the internal threads of the first extending component 51 and the internal threads of the second extending component 52, the adjusting column 53 is screwed to adjust the distance between the first extending component 51 and the second extending component 52, and the axial length of the drill rod can be slightly adjusted by means of the adjusting column 53.
Specifically, through adjusting extension mechanism 5, can be applicable to the well bore to the multiple different degree of depth or length creep into, can carry out axial adjustment in trace (short distance) to prolong or shorten the holistic length of drilling rod, be convenient for be applicable to and creep into work, this extension mechanism 5 adjusts more conveniently moreover, easy operation.
Referring to fig. 1 to 8, as a specific embodiment of the multi-section drilling screw drilling tool provided by the present invention, an adjusting column 53 is sleeved with an outer hexagon nut 55, a plurality of spring ejecting members 56 are disposed on an axial sidewall of the outer hexagon nut 55, the length direction of the plurality of spring ejecting members 56 is axially parallel to the first drilling rod 1 or the second drilling rod 2, one end of each spring ejecting member is fixed on the outer hexagon nut 55, the other end of each spring ejecting member is a free end and is used for abutting against an inner sidewall of the first extending member 51 or the second extending member 52, after the first extending member 51 or the second extending member 52 is connected with the adjusting column 53, the plurality of spring top pieces 56 are used for elastically pushing the first extension assembly 51 or the second extension assembly 52, limiting the axial movement of the first extension assembly 51 or the second extension assembly 52, a plurality of wear-resistant columns 57 are uniformly distributed on the circumference of the outer wall of the adjusting column 53, and the wear-resistant columns 57 are used for contacting and rubbing the wall of the drilling hole.
Specifically, when the adjusting post 53 needs to be screwed, only a manual screwing tool, such as a wrench, needs to be clamped on the outer hexagon nut 55, so that the connection is relatively stable, and the adjusting post 53 can be conveniently screwed. The spring ejecting member 56 can be selected from a common spring, has a certain elastic force, and can be pushed under the action of the elastic force, so that the effect of fixing and limiting the axial movement or the shaking of the first drill rod 1 or the second drill rod 2 is achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A multi-section drilling screw drill, comprising a screw drill body, characterized in that a drill rod on the screw drill body comprises:
the first drill rod is hollow, and two ends of the first drill rod are provided with connecting parts;
the second drill rod is hollow, connecting parts are arranged at two ends of the second drill rod, the end part of the second drill rod is in butt joint with the end part of the first drill rod and is coaxially arranged, the distance between the second drill rod and the first drill rod is adjustable, and the second drill rod can be limited after being adjusted;
the wear-resistant mechanism is arranged on the outer circumference of the first drill rod or the second drill rod and is used for contacting with a friction drill hole wall along with the first drill rod or the second drill rod in the drilling process, and the wear-resistant mechanism is spirally arranged on the first drill rod or the second drill rod;
the screw mechanism is arranged on the outer circumference of the first drill rod or the second drill rod and is used for contacting the wall of a drilled hole and assisting to push the first drill rod or the second drill rod to move towards the drilling direction in the drilling process; and
and the extension mechanism is used for being connected with the end part of the first drill rod or the second drill rod and slightly extending the axial length of the drill rod, and the end part of the extension mechanism can be connected with the adjacent drill rod.
2. A multi-section drilling screw drill tool according to claim 1, wherein an end of the first drill rod is provided with a sleeve-type protrusion, the protrusion is a hollow cylindrical body having a cylindrical shape and is coaxially disposed with the first drill rod, an external thread is provided on an outer circumference of the protrusion, a plurality of first spring members are provided on a side wall of the end of the first drill rod, the plurality of first spring members are adapted to elastically abut against the second drill rod when the second drill rod is butt-coupled to the first drill rod, and an end of the second drill rod is provided with a coupling structure adapted to be coupled to the protrusion.
3. A multi-section drilling screw as claimed in claim 2, wherein the connection structure comprises a sleeve disposed inside an end of the second drill rod, the sleeve having an internal thread formed circumferentially on an inner wall thereof, the sleeve being disposed inside the second drill rod and coaxially with the second drill rod, the sleeve being threadedly connected to the boss structure, a plurality of second spring members being disposed inside the second drill rod and on an inner end thereof adjacent to the sleeve, the second spring members being circumferentially disposed on an inner wall of the second drill rod, and free ends of the plurality of second spring members being adapted to resiliently push against an outer end surface of the boss structure and to limit axial movement of the first drill rod when the second drill rod is connected to the first drill rod.
4. A multi-section drilling screw drill tool according to claim 2, wherein a plurality of L-shaped brackets are fixedly arranged at the end of the first drill rod along the circumferential direction, a plurality of through holes are formed in the L-shaped brackets along the length direction, a plurality of clamping grooves are formed in the outer wall of the second drill rod, clamping members are arranged in the clamping grooves, the lower ends of the clamping members can be clamped in the clamping grooves, the upper ends of the clamping members are used for penetrating through one through hole in the L-shaped brackets and limiting the L-shaped brackets, the L-shaped brackets are axially arranged along the first drill rod or the second drill rod along the length direction, and the clamping members are connected after the first drill rod is connected with the second drill rod.
5. A multi-section drilling screw drill as claimed in claim 1, wherein the wear mechanism comprises:
the sliding rails are uniformly distributed along the circumferential direction of the first drill rod or the second drill rod, and the length direction of the sliding rails is parallel to that of the first drill rod or the second drill rod;
the sliding sleeve is of a sleeve-shaped structure, is sleeved on the outer circumference of the first drill rod or the second drill rod and is coaxial with the first drill rod or the second drill rod, a plurality of sliding strips are arranged on the inner side of the sliding sleeve, and the sliding strips are respectively in one-to-one corresponding sliding connection with the sliding rails;
a plurality of limiting wires sequentially penetrate through the sliding sleeve and the sliding strip and can be abutted and locked on the first drill rod or the second drill rod, the limiting wires are used for locking the sliding sleeve on the first drill rod or the second drill rod, and the locking ends of the limiting wires are positioned on the first drill rod or the second drill rod surrounded by the sliding rail; and
wear assembly, it is a plurality of, the equipartition is in on the sliding sleeve outer wall first drilling rod or the circumference of second drilling rod upwards, wear assembly with jackscrew dislocation set, wear assembly is used for butt contact friction drilling wall, wear assembly with the sliding sleeve is for dismantling the connection, wear assembly's height is greater than the height of spacing silk.
6. A multi-section drilling screw drill as claimed in claim 5, wherein the wear assembly comprises:
the wear-resistant seat is locked on the outer wall of the sliding sleeve through a locking piece, the outer end of the wear-resistant seat is of an arc-shaped protruding structure and is provided with a blind hole, internal threads are arranged in the blind hole, and the depth direction of the blind hole is the radial direction of the sliding sleeve;
the outer end of the wear-resistant bulge is of a mushroom-shaped bulge structure, and the wear-resistant bulge is used for abutting and contacting with the wall of the friction drill hole;
the sealing ring is sleeved on the wear-resistant bulge, and is used for sealing a gap between the wear-resistant bulge and the blind hole after the wear-resistant bulge is connected with the blind hole; and
the springs are multiple and are arranged at the bottom of the blind hole, the wear-resistant protrusions are in threaded connection with the blind hole and are used for elastically pushing the wear-resistant protrusions and preventing the wear-resistant protrusions from axially moving.
7. A multi-section drilling screw drill as claimed in claim 5, wherein the screw mechanism comprises a helical screw blade provided on the sliding sleeve, the screw blade being slidably connected to the outer circumference of the first drill rod or the second drill rod by means of the sliding sleeve movement, the axial position of the screw mechanism on the first drill rod or the second drill rod being adjustable by means of the sliding sleeve, the screw blade being provided on a side close to the stopper wire on the sliding sleeve, the height of the screw blade being greater than the height of the stopper wire, the screw blade being adapted to contact the wall of the borehole and assist in propelling the first drill rod or the second drill rod in the direction of the borehole during drilling.
8. A multi-section drilling screw drill as claimed in claim 1, wherein the screw mechanism further comprises a helical screw blade provided on the outer circumference of the first drill rod or the second drill rod, the screw blade being provided at a height greater than the difference in height between the outer diameter of the extension means and the outer diameter of the first drill rod, the screw blade also being provided at a height greater than the height of the wear mechanism, the screw blade being adapted to contact the wall of the borehole and assist in propelling the first drill rod or the second drill rod in the drilling direction.
9. A multi-section drilling screw drill as claimed in claim 1, wherein the extension mechanism comprises:
the inner side wall of the connecting part of the first drill rod or the second drill rod is circumferentially provided with an internal thread, one end of the first extension assembly is a cylinder, the other end of the first extension assembly is a blind hole with an internal thread, the cylinder is coaxial with the first drill rod or the second drill rod, the outer wall of the cylinder is provided with an external thread, the cylinder is in internal thread connection with the first drill rod or the second drill rod, and the distance between the first extension assembly and the first drill rod or the second drill rod is adjusted through threaded connection;
the second extension assembly is coaxial with the first extension assembly, one end of the second extension assembly is provided with a blind hole with an internal thread, the other end of the second extension assembly is the connecting part and is used for connecting adjacent drill rods, and the rotating direction of the internal thread in the blind hole of the second extension assembly is opposite to that of the internal thread in the blind hole of the first extension assembly; and
adjust the post, be the cylinder shape, both ends are equipped with respectively and revolve to opposite external screw thread, and both ends respectively with the internal thread of first extension subassembly with the internal thread threaded connection of second extension subassembly revolves to revolve and twist adjust the post be used for adjusting first extension subassembly with distance between the second extension subassembly, the axial length of drilling rod can be with the help of adjust post micro-adjustment.
10. A multi-section drilling screw drill as claimed in claim 9, wherein an outer hexagonal nut is sleeved on the adjusting column, a plurality of spring ejecting pieces are arranged on the axial side wall of the outer hexagon nut, the length direction of the plurality of spring ejecting pieces is axially parallel to the first drill rod or the second drill rod, one end of each spring ejecting piece is fixedly arranged on the outer hexagon nut, the other end of each spring ejecting piece is a free end and is used for abutting against the inner side wall of the first extension component or the second extension component, after the first extension assembly or the second extension assembly is connected with the adjusting column, the plurality of spring ejecting pieces are used for elastically ejecting the first extension assembly or the second extension assembly and limiting the axial movement of the first extension assembly or the second extension assembly, and a plurality of wear-resistant columns are uniformly distributed on the circumference of the outer wall of the adjusting column and are used for contacting and rubbing the wall of the drilling hole.
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| CN202110106605.9A CN112727348B (en) | 2021-01-26 | 2021-01-26 | Multi-section drilling screw drilling tool |
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| CN202110106605.9A CN112727348B (en) | 2021-01-26 | 2021-01-26 | Multi-section drilling screw drilling tool |
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| CN112727348B CN112727348B (en) | 2023-04-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115596346A (en) * | 2022-12-12 | 2023-01-13 | 沧州格锐特钻头有限公司（Cn） | Screw drill with discharge function |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437538A (en) * | 2016-11-01 | 2017-02-22 | 周兆弟 | Extensible rod component for drill rod |
| CN207177752U (en) * | 2017-07-28 | 2018-04-03 | 河北朗威石油装备有限公司 | A kind of oil drill rocker of convenient connection |
| CN208057068U (en) * | 2018-04-04 | 2018-11-06 | 海隆石油钻具（无锡）有限公司 | High abrasion tool joint |
| CN109681131A (en) * | 2018-12-31 | 2019-04-26 | 艾森泰姆石油工程技术(天津)有限公司 | Combined type petroleum drilling well drilling bar |
| CN209053572U (en) * | 2018-11-22 | 2019-07-02 | 衢州市衢江区新恒兴机械厂 | A kind of drilling rod convenient for adjustment length |
| CN110454094A (en) * | 2019-08-29 | 2019-11-15 | 安徽理工大学 | A kind of drill bit detaching structure of concrete sampler |
| CN210049837U (en) * | 2019-06-03 | 2020-02-11 | 冯天翔 | Drill rod for geological exploration |
| CN111119741A (en) * | 2019-12-26 | 2020-05-08 | 中煤科工集团西安研究院有限公司 | Variable-diameter PDC (polycrystalline diamond compact) directional drill bit |
| CN111485884A (en) * | 2020-03-31 | 2020-08-04 | 哈尔滨工业大学 | Multistage flexible sampling device that gets that bores |
| CN112177545A (en) * | 2020-09-28 | 2021-01-05 | 沧州格锐特钻头有限公司 | Gear wheel and PDC composite drill bit for drilling in deep well |
-
2021
- 2021-01-26 CN CN202110106605.9A patent/CN112727348B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437538A (en) * | 2016-11-01 | 2017-02-22 | 周兆弟 | Extensible rod component for drill rod |
| CN207177752U (en) * | 2017-07-28 | 2018-04-03 | 河北朗威石油装备有限公司 | A kind of oil drill rocker of convenient connection |
| CN208057068U (en) * | 2018-04-04 | 2018-11-06 | 海隆石油钻具（无锡）有限公司 | High abrasion tool joint |
| CN209053572U (en) * | 2018-11-22 | 2019-07-02 | 衢州市衢江区新恒兴机械厂 | A kind of drilling rod convenient for adjustment length |
| CN109681131A (en) * | 2018-12-31 | 2019-04-26 | 艾森泰姆石油工程技术(天津)有限公司 | Combined type petroleum drilling well drilling bar |
| CN210049837U (en) * | 2019-06-03 | 2020-02-11 | 冯天翔 | Drill rod for geological exploration |
| CN110454094A (en) * | 2019-08-29 | 2019-11-15 | 安徽理工大学 | A kind of drill bit detaching structure of concrete sampler |
| CN111119741A (en) * | 2019-12-26 | 2020-05-08 | 中煤科工集团西安研究院有限公司 | Variable-diameter PDC (polycrystalline diamond compact) directional drill bit |
| CN111485884A (en) * | 2020-03-31 | 2020-08-04 | 哈尔滨工业大学 | Multistage flexible sampling device that gets that bores |
| CN112177545A (en) * | 2020-09-28 | 2021-01-05 | 沧州格锐特钻头有限公司 | Gear wheel and PDC composite drill bit for drilling in deep well |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115596346A (en) * | 2022-12-12 | 2023-01-13 | 沧州格锐特钻头有限公司（Cn） | Screw drill with discharge function |
| CN115596346B (en) * | 2022-12-12 | 2023-03-10 | 沧州格锐特钻头有限公司 | Screw drill with discharge function |
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| CN112727348B (en) | 2023-04-07 |
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