CN113187394A - Front sand rear rock geological inclined angle steel sleeve drilling system and installation method thereof - Google Patents
Front sand rear rock geological inclined angle steel sleeve drilling system and installation method thereof Download PDFInfo
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- CN113187394A CN113187394A CN202110559179.4A CN202110559179A CN113187394A CN 113187394 A CN113187394 A CN 113187394A CN 202110559179 A CN202110559179 A CN 202110559179A CN 113187394 A CN113187394 A CN 113187394A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 177
- 239000010959 steel Substances 0.000 title claims abstract description 177
- 238000005553 drilling Methods 0.000 title claims abstract description 40
- 239000011435 rock Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000004576 sand Substances 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 title description 7
- 241001476363 Centropyge acanthops Species 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 8
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 6
- 244000046052 Phaseolus vulgaris Species 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B7/046—Directional drilling horizontal drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
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Abstract
The utility model relates to a preceding sand hou gainst rock geology bevel angle steel casing system of creeping into, it includes down-the-hole hammer and horizontal directional drill, the down-the-hole hammer passes through the drilling rod and is connected with horizontal directional drill rotary head, the one end that the drilling rod was kept away from to the drill bit of down-the-hole hammer has the stand pipe through the buckle joint, the one end that the down-the-hole hammer drill bit was kept away from to the stand pipe is established and the joint has the steel casing through joint spare cover, when the drill bit corotation, the stand pipe passes through joint spare and steel casing chucking, when the drill bit reverses, the stand pipe breaks away from with the steel casing through joint spare. The down-the-hole hammer is connected with the rotating head of the horizontal directional drill through the drill rod, the steel sleeve can be installed in complex geology such as hard rock by utilizing the advantage of adjustable technical angle of the horizontal directional drill and the characteristic that the air down-the-hole hammer uses the hard rock, and the application has the effect of improving the application effect of the horizontal directional drill in the process of lowering the steel sleeve in the geology of the hard rock.
Description
Technical Field
The application relates to the field of drilling construction, in particular to a front sand rear rock geological inclined angle steel sleeve drilling system and an installation method thereof.
Background
At present, because of the advantages of fast construction speed, low cost and the like, the horizontal directional drilling technology is widely applied to pipeline laying construction engineering, and various technical difficulties are present under different construction conditions along with the popularization of the technology. In the related art, in order to solve the problems of mud seepage, hole collapse and the like in the directional drilling construction process, the sand-gravel stratum in a drilled hole is usually isolated through a casing, but the application effect in hard rock geology is poor through the conventional directional drilling casing inserting and drilling mode.
Disclosure of Invention
In order to improve the application effect of the horizontal directional drill in the lowering of the steel casing in the hard rock geology, the application provides a front sand and rear rock geology inclined angle steel casing drilling system and an installation method thereof.
First aspect, this application provides a preceding sand after rock geology angle of inclination steel casing drilling system adopts following technical scheme:
the utility model provides a preceding sand back rock geology oblique angle steel casing drilling system, includes down-the-hole hammer and horizontal directional drill, the down-the-hole hammer passes through the drilling rod and is connected with horizontal directional drill rotating head, the one end that the drilling rod was kept away from to the drill bit of down-the-hole hammer has the stand pipe through the buckle joint, the one end that the down-the-hole hammer drill bit was kept away from to the stand pipe is established and the joint has the steel casing through joint spare cover, during the drill bit corotation, the stand pipe passes through joint spare and steel casing chucking, during the drill bit reversal, the stand pipe passes through joint spare and steel casing breaks away from.
By adopting the technical scheme, the down-the-hole hammer is connected with the rotating head of the horizontal directional drill through the drill rod, and the steel sleeve can be installed in complex geology such as hard rock by utilizing the advantage of adjustable technical angle of the horizontal directional drill and the characteristic of using the hard rock of the air down-the-hole hammer, so that the installation and construction efficiency of the steel sleeve is improved, the construction difficulty is effectively reduced, and the application effect of the horizontal directional drill in lowering the steel sleeve in the hard rock geology is improved; and the guide pipe is clamped with the steel sleeve through the clamping piece, in the drilling process, the drill bit rotates forwards, the guide pipe is clamped with the steel sleeve, the steel sleeve cannot fall off and can enter the position where the steel sleeve needs to be installed along with the drill bit, after the steel sleeve drills the position where the steel sleeve needs to be installed, the drill bit rotates backwards and drills out, the guide pipe is separated from the steel sleeve through the clamping piece, the steel sleeve is smoothly installed to the position where the steel sleeve needs to be installed, and therefore the steel sleeve is convenient to install in hard rock.
Optionally, the joint spare includes that joint groove and spring jump beans, the spring jump beans in circumference is provided with a plurality ofly on the outer lane of stand pipe, the spring jumps beans and includes spring and semicircle ball, the spring is worn to locate in the stand pipe inner wall along the perpendicular to stand pipe direction, just the plane that conduit one end and semicircle ball were worn out to the spring links to each other, the joint groove circles the circumference in the steel casing pipe and is provided with a plurality ofly, just the joint groove with the spring jumps beans one-to-one, the joint groove increases gradually along the clockwise direction degree of depth of circumference of steel casing pipe in the steel casing pipe inner circle, just the joint groove is used for the joint semicircle ball.
By adopting the technical scheme, in the process of connecting the steel sleeve and the guide pipe, the guide pipe and the steel sleeve are coaxially aligned, the guide pipe is inserted into the steel sleeve, the spring jumping beans are abutted against the inner ring of the steel sleeve, when the spring jumping beans slide to the clamping groove, the guide pipe is rotated clockwise, so that the guide pipe drives the spring jumping beans to rotate together, in the process, the semi-spherical ball penetrates out of the guide pipe and enters into the clamping groove under the action of the spring, the depth of the semi-spherical ball entering into the clamping groove is gradually increased, the semi-spherical ball is completely clamped into the clamping groove, the guide pipe and the steel sleeve are clamped tightly, in the process of moving along the axis direction of the steel sleeve, and meanwhile, in the process of drilling, the drill rod rotates clockwise, and the guide pipe and the steel sleeve cannot be separated; when with steel casing below to the position that needs the dado, the spiral shell rotary rod of reversal can be rotated out the semicircle ball from the joint groove for the semicircle ball breaks away from with the joint groove mutually, through the promotion of drilling rod, thereby makes the stand pipe break away from with the steel casing mutually, thereby installs the steel casing in the position that needs carry out the dado.
Optionally, the steel casing pipe is provided with a plurality of guide ways along its axis direction in its inner circle, steel casing pipe and external intercommunication are worn out to guide way one end, the guide way other end is linked together with the joint groove, the deepest in joint groove is kept away from to the intercommunication department of guide way and joint groove.
Through adopting above-mentioned technical scheme, through being provided with the guide way, at the in-process that the stand pipe got into the steel casing pipe, the spring jumps the beans and aims at the guide way for the half slot pushes into the guide way in the butt under the effect of spring, thereby inserts the in-process of steel casing pipe at the stand pipe, and the spring jumps the beans and slides smoothly to the joint inslot under the guide effect of guide way.
Optionally, the guide groove penetrates through one end of the steel sleeve and is internally provided with a chute, and the depth of the chute gradually increases along the direction that the guide groove penetrates through the steel sleeve.
Through adopting above-mentioned technical scheme, through being provided with the chute, make the stand pipe at the in-process that inserts steel casing pipe, because the chute increases along the direction degree of depth that steel casing pipe was worn out to the guide way gradually, so only need to be aligned with the chute with the semicircle ball that passes out the conduit under the spring action, can make the semicircle ball slide in the guide way along the chute, do not need constructor to press the semicircle ball with the hand and just enable the stand pipe and insert in the steel casing pipe, make things convenient for the stand pipe to insert after aligning with the steel casing pipe.
Optionally, still including the positioner that is used for steel casing pipe and stand pipe to connect, positioner includes support, telescopic link and horizontal pole, the telescopic link sets up and the telescopic link upper end links to each other with the support along vertical direction, the one end of horizontal pole links to each other with the lower extreme of telescopic link is perpendicular, be provided with the first cylinder that is used for driving the telescopic link along horizontal pole length direction reciprocating motion on the support, the horizontal pole is provided with first locating component and second locating component respectively along the direction of keeping away from the telescopic link, first locating component is used for the steel casing pipe coaxial with the horizontal pole, the second locating component is used for stand pipe coaxial with the horizontal pole.
Through adopting above-mentioned technical scheme, at the in-process of pegging graft mutually with steel casing pipe and stand pipe alignment, start first cylinder, first cylinder drives the horizontal pole along horizontal pole length direction drive telescopic link and successively inserts to steel casing pipe and stand pipe in, the rethread first locating component makes steel casing pipe coaxial with the horizontal pole, at this in-process, the telescopic link is through length variation, thereby it is coaxial with steel casing pipe to make the horizontal pole, rethread second locating component makes the stand pipe coaxial with the horizontal pole, thereby make steel casing pipe coaxial with the stand pipe, and then be convenient for insert in the steel casing pipe after the stand pipe aligns with steel casing pipe.
Optionally, the first positioning assembly includes a first sleeve and a plurality of first support rods, the first sleeve is sleeved on and slidably connected to the cross rod, the plurality of first support rods are equidistantly arranged on the cross rod along the circumferential direction of the cross rod, the first support rods are hollow inside and are penetrated through and slidably connected with first slide rods, the first slide rods penetrate through one ends of the first support rods far away from the cross rod, the first support rods are provided with first slots communicated with the inside along the length direction of the first support rods, the first sleeve is connected with the first slide rods through the first slots by penetrating through first oblique rods, the first oblique rods are respectively rotatably connected with the first sleeve and the first slide rods, the cross rod is provided with a second cylinder connected with the first sleeve along the length direction of the cross rod, the second positioning assembly includes a second sleeve and a plurality of second support rods, the second sleeve is sleeved on and slidably connected to the cross rod, a plurality of second branch sets up on the horizontal pole along the circumference direction equidistance of horizontal pole, the inside cavity of second branch and second branch are worn to establish and sliding connection has the second slide bar, the second slide bar is worn out the one end that the horizontal pole was kept away from to second branch, second branch sets up the second fluting rather than inside being linked together along its length direction, the second sleeve passes the second fluting through the second down tube and links to each other with the second slide bar, the second down tube rotates with second sleeve and second slide bar respectively to be connected, the horizontal pole is provided with the third cylinder that links to each other with the second sleeve along its length direction.
By adopting the technical scheme, the second cylinder is started, the second cylinder drives the first sleeve to slide along the length direction of the cross rod, the first sleeve drives the first slide rod through the first inclined rod, so that the first slide rod penetrates through the first support rod and is abutted against the inner wall of the steel sleeve, and because the cross rod is not coaxial with the axis of the steel sleeve, part of the first slide rod is abutted against the inner wall of the steel sleeve; and starting the third cylinder, driving the second sleeve to slide along the length direction of the cross rod by the third cylinder, driving the second slide rod by the second sleeve through the second inclined rod, enabling the second slide rod to penetrate out of the second supporting rod and to be abutted against the inner wall of the guide pipe, and enabling the guide pipe to be coaxial with the cross rod so as to be convenient for the guide pipe to be inserted after being aligned with the steel sleeve due to the fact that the cross rod is not coaxial with the axis of the guide pipe and part of the second slide rod is abutted against the inner wall of the guide pipe.
Optionally, the lower end of the support is provided with a base, the base is provided with an arc-shaped groove, and the axis of the arc-shaped groove and the axis of the cross rod are parallel to each other and are located on the same vertical plane.
Through adopting above-mentioned technical scheme, before carrying out steel casing pipe and stand pipe grafting cooperation, put into the arc wall of base respectively with steel casing pipe and stand pipe in proper order, because the axis of arc wall is parallel to each other and is in same vertical plane with the axis of horizontal pole, so steel casing pipe and stand pipe and arc wall looks butt back, the axis of steel casing pipe and the axis of stand pipe parallel and are in same vertical plane with the axis of horizontal pole respectively.
Optionally, the one end that the horizontal pole was kept away from to first slide bar is connected with first arc butt joint board, the one end that the horizontal pole was kept away from to the second slide bar is connected with second arc butt joint board, embedded and the sliding connection of surface of second arc butt joint board has a plurality of balls.
By adopting the technical scheme, the first slide bar and the first arc abutting plate are abutted against the inner wall of the steel sleeve, and the cambered surface of the first arc abutting plate is attached to the cambered surface of the inner wall of the steel sleeve, so that the abutting area of the first slide bar and the steel sleeve is increased, and the coaxiality of the steel sleeve and the cross bar is more accurate; in a similar way, the second arc butt joint board has increased the butt area of second slide bar and stand pipe inner wall for the coaxial degree of stand pipe and horizontal pole is more accurate, and in addition, through being provided with the ball, turns into the rolling friction of stand pipe and ball with the slip friction of stand pipe towards the steel casing pipe motion in-process, carries out the joint after the stand pipe of being convenient for aligns with the steel casing pipe.
In a second aspect, the application provides a method for installing a front sand rear rock geological inclined angle steel casing drilling system, which adopts the following technical scheme:
a method for installing a front sand rear rock geological inclined angle steel sleeve drilling system comprises the following steps:
firstly, construction preparation is carried out, and a down-the-hole hammer is connected with a drill moving head of a horizontal directional drill through a drill rod;
step two, sequentially placing the steel sleeve and the guide pipe into the arc-shaped groove of the base, starting the first air cylinder to enable the cross rod to penetrate into the steel sleeve and the guide pipe in sequence, and enabling the axis of the cross rod to be coaxial with the axis of the cross rod through the first positioning assembly and the length change of the telescopic rod;
thirdly, the guide pipe is coaxial with the axis of the cross rod through a second positioning assembly, so that the steel sleeve is coaxial with the guide pipe, and the guide pipe is pushed towards the steel sleeve along the length direction of the cross rod, so that the guide pipe is rotationally clamped with the steel sleeve through the clamping piece;
and step four, connecting one end of the guide pipe, which is far away from the steel sleeve, with a drill bit of the down-the-hole hammer through a buckle.
Through adopting above-mentioned technical scheme, pass through the drilling moving head of drilling rod and horizontal directional drilling with the down-the-hole hammer and link to each other the back, put into the arc wall with steel casing pipe and stand pipe in proper order, start first cylinder, first cylinder drives the horizontal pole through the telescopic link and penetrates in steel casing pipe and the stand pipe successively, rethread first locating component makes the horizontal pole coaxial with steel casing pipe, it is coaxial with the stand pipe to make the horizontal pole through second locating component, thereby towards steel casing pipe slip guide pipe along the length direction of horizontal pole again, thereby make stand pipe and steel casing pipe pass through joint spare looks chucking, thereby be convenient for after the stand pipe is connected with steel casing pipe, rethread air down-the-hole drill and the mode that the horizontal directional drilling combined together transfer the sleeve to hard rock geology.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the down-the-hole hammer is connected with the rotating head of the horizontal directional drill through the drill rod, and by utilizing the advantage of adjustable technical angle of the horizontal directional drill and the characteristic of using hard rock of the air down-the-hole hammer, a steel sleeve can be installed in complex geology such as hard rock, the installation and construction efficiency of the sleeve is improved, the construction difficulty is effectively reduced, and the application effect of lowering the steel sleeve of the horizontal directional drill in the geology of the hard rock is improved;
2. the guide pipe is clamped with the steel sleeve through the clamping piece, the drill bit rotates forwards in the drilling process, the guide pipe is clamped with the steel sleeve, the steel sleeve cannot fall off and can enter the position where the steel sleeve needs to be installed along with the drill bit, after the steel sleeve drills the position where the steel sleeve needs to be installed, the drill bit rotates backwards and drills out, the guide pipe is separated from the steel sleeve through the clamping piece, the steel sleeve is smoothly installed to the position where the steel sleeve needs to be installed, and therefore the steel sleeve can be installed in hard rock conveniently;
3. at the in-process of pegging graft mutually with steel casing and stand pipe alignment, start first cylinder, first cylinder drives the horizontal pole along horizontal pole length direction drive telescopic link and successively inserts to steel casing and stand pipe in, the rethread first locating component makes steel casing coaxial with the horizontal pole, at this in-process, the telescopic link is through length variation, thereby it is coaxial with the steel casing to make the horizontal pole, rethread second locating component makes the stand pipe coaxial with the horizontal pole, thereby it is coaxial with the stand pipe to make steel casing and stand pipe, and then be convenient for the stand pipe and insert in the steel casing after steel casing aligns.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a steel casing drilling system for geologic inclined angles of front sand and rear rock.
FIG. 2 is an exploded view of the guide tube and steel sleeve assembled according to an embodiment of the present application.
Fig. 3 is an overall structural view of the positioning device, the first positioning component and the second positioning component according to the embodiment of the present application.
Description of reference numerals: 1. a guide tube; 2. steel casing; 3. a clamping piece; 31. a clamping groove; 32. jumping beans by a spring; 321. a spring; 322. a semi-sphere; 4. a guide groove; 5. a chute; 6. a positioning device; 61. a support; 62. a telescopic rod; 63. a cross bar; 7. a first cylinder; 8. a first positioning assembly; 81. a first sleeve; 82. a first support bar; 83. a first slide bar; 84. a first diagonal member; 9. a second positioning assembly; 91. a second sleeve; 92. a second support bar; 93. a second slide bar; 94. a second diagonal member; 10. a second cylinder; 11. a third cylinder; 12. a base; 13. an arc-shaped slot; 14. a first arc abutting plate; 15. a second arc abutting plate; 16. and a ball.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses preceding sand back rock geology bevel angle steel casing drilling system. As shown in figure 1, the front sand rear rock geological inclined angle steel sleeve drilling system comprises a down-the-hole hammer, a horizontal directional drill and a positioning device 6. The down-the-hole hammer is connected with a horizontal directional drill rotating head through a drill rod, one end, far away from the drill rod, of a drill bit of the down-the-hole hammer is clamped with a guide pipe 1 through an end buckle, and one end, far away from the drill bit of the down-the-hole hammer, of the guide pipe 1 is sleeved with a steel sleeve 2 through a clamping piece 3 and clamped.
As shown in fig. 2, the clamping member 3 includes a clamping groove 31 and a plurality of spring jumping beans 32, the spring jumping beans 32 are arranged on the outer ring of the guide tube 1 at equal intervals in the circumferential direction, and the plurality of spring jumping beans 32 are all on the cross section perpendicular to the axis of the guide tube 1. Spring jumping bean 32 includes spring 321 and semicircle 322, offers the holding tank that is used for holding spring 321 in the axis of perpendicular to stand pipe 1 along the outer lane of stand pipe 1, and the one end of spring 321 welds with the bottom wall of holding tank of stand pipe 1, and the stand pipe 1 holding tank is worn out to the spring 321 other end and is welded mutually with semicircle 322.
As shown in fig. 2, a plurality of clamping grooves 31 are arranged on the inner ring of the steel sleeve 2 at equal intervals in the circumferential direction, the plurality of clamping grooves 31 are all arranged on the cross section perpendicular to the axis of the steel sleeve 2, and the clamping grooves 31 correspond to the spring jumping beans 32 one by one. The depth of the clamping groove 31 is gradually increased along the clockwise direction of the circumference of the steel sleeve 2 in the inner ring of the steel sleeve 2, and the clamping groove 31 is far away from the deepest depth of the clamping groove and is in smooth transition with the inner ring of the steel sleeve 2. The steel sleeve 2 is provided with a plurality of guide grooves 4 at equal intervals along the axial direction of the steel sleeve, and the number of the guide grooves 4 is equal to that of the spring jumping beans 32. Steel casing 2 and external intercommunication are worn out to 4 one ends of guide way, the circular arc transition is adopted with the inner circle of steel casing 2 to the lateral wall of guide way 4, the degree of depth of guide way 4 is less than the diameter of semicircle ball 322, when making semicircle ball 322 rotate along the axis of steel casing 2, semicircle ball 322 can rotate out in the guide way 4, thereby make the drilling rod rotate at the anticlockwise, when guide pipe 1 breaks away from mutually with steel casing 2, if the semicircle ball 322 joint advances in guide way 4, also can rotate out from guide way 4 smoothly, make guide pipe 1 break away from mutually with steel casing 2.
As shown in fig. 2, the communicating part of the guide groove 4 penetrating through the steel sleeve 2 and the outside is communicated with a chute 5, the depth of the chute 5 is gradually increased along the direction that the guide groove 4 penetrates through the steel sleeve 2, and the communicating part of the chute 5 and the guide groove 4 adopts circular arc transition. One end of the guide groove 4 far from the inclined groove 5 is communicated with the clamping groove 31, and the communication position of the guide groove 4 and the clamping groove 31 is far away from the deepest part of the clamping groove 31. The deepest part of the catching groove 31 is larger than the diameter of the semi-spherical ball 322, so that when the semi-spherical ball 322 enters the deepest part of the catching groove 31, the semi-spherical ball 322 can be completely caught in the catching groove 31.
As shown in fig. 3, the positioning device 6 includes a support 61, an expansion rod 62 and a cross rod 63, the support 61 includes a first support rod vertically disposed and a second support rod horizontally disposed, an upper end of the first support rod of the support 61 is welded to one end of the second support rod, and a lower end of the first support rod of the support 61 is welded to the base 12. The telescopic link 62 sets up and the telescopic link 62 upper end and the second bracing piece sliding connection of support 61 along vertical direction, and the second bracing piece of support 61 has first cylinder 7 along its length direction through bolted connection, and the piston rod of first cylinder 7 passes through the bolt and links to each other with telescopic link 62 for telescopic link 62 is along the length direction reciprocating motion of support 61 second bracing piece. The one end of horizontal pole 63 and the lower extreme of telescopic link 62 weld perpendicularly mutually, and telescopic link 62 can freely stretch out and draw back along the length direction of perpendicular to support 61 second bracing piece, and the lowest end after telescopic link 62 freely stretches out and draws back can not drive horizontal pole 63 and base 12 looks butt.
Referring to fig. 1 and 3, the base 12 is provided with an arc-shaped groove 13 for placing the steel sleeve 2 and the guide pipe 1, and the axis of the arc-shaped groove 13 and the axis of the cross bar 63 are parallel to each other and are in the same vertical plane. The cross rod 63 is provided with a first positioning assembly 8 and a second positioning assembly 9 along the direction far away from the telescopic rod 62, the first positioning assembly 8 is used for enabling the steel sleeve 2 to be coaxial with the cross rod 63, and the second positioning assembly 9 is used for enabling the guide tube 1 to be coaxial with the cross rod 63. The first positioning assembly 8 comprises a first sleeve 81 and four first supporting rods 82, wherein the first sleeve 81 is sleeved on and slidably connected to the cross rod 63. Four first branches 82 weld on horizontal pole 63 along the circumference direction equidistance of horizontal pole 63, and first branch 82 is inside hollow and first branch 82 wears to establish and sliding connection has first slide bar 83. The first sliding rod 83 penetrates through one end of the first supporting rod 82 far away from the cross rod 63, and one end of the first sliding rod 83 penetrating through the first supporting rod 82 is welded with the first arc-shaped abutting plate 14. The first support rod 82 is provided with a first slot communicated with the interior of the first support rod along the length direction of the first support rod, the first sleeve 81 passes through the first slot through a first inclined rod 84 to be connected with a first sliding rod 83, and the first inclined rod 84 is respectively connected with the first sleeve 81 and the first sliding rod 83 through hinges in a rotating manner. The cross bar 63 is connected with a second cylinder 10 connected with the first sleeve 81 along the length direction thereof by bolts, and a piston rod of the second cylinder 10 is connected with the first sleeve 81 by bolts.
As shown in fig. 3, the second positioning assembly 9 includes a second sleeve 91 and four second supporting rods 92, the second sleeve 91 is sleeved on the cross rod 63 and slidably connected thereto, the four second supporting rods 92 are welded to the cross rod 63 at equal intervals along the circumferential direction of the cross rod 63, the second supporting rods 92 are hollow inside and the second supporting rods 92 penetrate through and slidably connected to a second sliding rod 93. The second sliding rod 93 penetrates through one end, far away from the cross rod 63, of the second supporting rod 92, the second arc-shaped abutting plate 15 is welded at one end, penetrating through the second supporting rod 92, of the second sliding rod 93, and a plurality of balls 16 are embedded in the outer surface of the second arc-shaped abutting plate 15 and connected in a sliding mode. The second support rod 92 is provided with a second groove communicated with the inside of the second support rod along the length direction of the second support rod, the second sleeve 91 is connected with a second sliding rod 93 through a second inclined rod 94 passing through the second groove, the second inclined rod 94 is respectively connected with the second sleeve 91 and the second sliding rod 93 through hinges in a rotating mode, the cross rod 63 is connected with a third air cylinder 11 connected with the second sleeve 91 along the length direction of the cross rod 63 through bolts, and a piston rod of the third air cylinder 11 is connected with the second sleeve 91 through bolts.
The installation method of the front sand rear rock geological inclined angle steel sleeve 2 drilling system comprises the following steps:
firstly, construction preparation, namely assembling a down-the-hole hammer assembly into a complete hammer body, and then loading the hammer body on a drill rod matched with a first section of a horizontal directional drill;
step two, hoisting the steel sleeve 2 and the guide pipe 1 in sequence and placing the steel sleeve 2 and the guide pipe 1 into the arc-shaped groove 13 of the base 12, sequentially inserting the steel sleeve 2 and the wire guide pipe into the cross rod 63 in sequence, and starting the first cylinder 7, so that the first cylinder 7 drives the first positioning component 8 to enter the steel sleeve 2 and the second positioning component 9 to enter the guide pipe 1 along the length direction of the cross rod 63;
step three, starting the second cylinder 10, driving the first sleeve 81 to slide along the length direction of the cross rod 63 by the second cylinder 10, driving the first slide rod 83 by the first inclined rod 84, so that the first slide rod 83 penetrates out of the first support rod 82 and drives the first arc abutting plate 14 to abut against the inner wall of the steel sleeve 2, and because the cross rod 63 is not coaxial with the axis of the steel sleeve 2, part of the first slide rod 83 drives the first arc abutting plate 14 to abut against the inner wall of the steel sleeve 2, and under the continuous action of the second cylinder 10, the other first slide rods 83 drive the first arc abutting plate 14 to abut against the inner wall of the steel sleeve 2, so that the length of the telescopic rod 62 is changed, and after the end parts of all the first slide rods 83 abut against the inner wall of the steel sleeve 2, the axis of the cross rod 63 is parallel and level with the axis of the steel sleeve 2;
step four, starting a third air cylinder 11, wherein the third air cylinder 11 drives a second sleeve 91 to slide along the length direction of the cross rod 63, the second sleeve 91 drives a second slide rod 93 through a second inclined rod 94, so that the second slide rod 93 penetrates out of a second support rod 92 and drives a second arc abutting plate 15 to abut against the inner wall of the guide pipe 1, because the axis of the cross rod 63 and the axis of the guide pipe 1 are not coaxial, part of the second slide rods 93 drive the second arc abutting plate 15 to abut against the inner wall of the guide pipe 1, and under the continuous action of the third air cylinder 11, other second slide rods 93 drive the second arc abutting plate 15 to abut against the inner wall of the guide pipe 1, so that the guide pipe 1 and the cross rod 63 are coaxial, and the guide pipe 1 is aligned with the steel sleeve 2;
step five, the guide pipe 1 slides towards the steel sleeve 2 along the length direction of the cross rod 63, under the action of the balls 16, the guide pipe 1 can slide and rotate smoothly, so that the spring jumping beans 32 of the guide pipe 1 are aligned with the chute 5 of the steel sleeve 2, then the guide pipe 1 is continuously pushed towards the steel sleeve 2, the semi-circular balls 322 smoothly enter the guide groove 4 along the chute 5 under the action of the springs 321, so that the guide pipe 1 can continuously slide and slide to the clamping groove 31 of the steel sleeve 2 under the guiding action of the guide groove 4, then the guide pipe 1 is rotated clockwise, so that the guide pipe 1 drives the spring jumping beans 32 to rotate together, in the process, the semi-circular balls 322 penetrate out of the guide pipe 1 and enter the clamping groove 31 under the action of the springs 321, the depth of the semi-circular balls 322 entering the clamping groove 31 is gradually increased, so that the semi-circular balls 322 are completely clamped into the clamping groove 31, so that the guide tube 1 is tightly clamped with the steel sleeve 2;
and step six, clamping one end of the guide pipe 1, which is far away from the steel sleeve 2, with a drill bit of the down-the-hole hammer through an end buckle, and simultaneously welding the guide pipe 1 with the end buckle.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
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| CN202110559179.4A CN113187394A (en) | 2021-05-21 | 2021-05-21 | Front sand rear rock geological inclined angle steel sleeve drilling system and installation method thereof |
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| CN202110559179.4A CN113187394A (en) | 2021-05-21 | 2021-05-21 | Front sand rear rock geological inclined angle steel sleeve drilling system and installation method thereof |
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