CN115405249B - Horizontal MJS-based method for taking out broken drill rod - Google Patents
Horizontal MJS-based method for taking out broken drill rod Download PDFInfo
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- CN115405249B CN115405249B CN202210990160.XA CN202210990160A CN115405249B CN 115405249 B CN115405249 B CN 115405249B CN 202210990160 A CN202210990160 A CN 202210990160A CN 115405249 B CN115405249 B CN 115405249B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005553 drilling Methods 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000010276 construction Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 230000007306 turnover Effects 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002002 slurry Substances 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 244000309464 bull Species 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a broken drill rod taking-out method based on a horizontal MJS construction method, which relates to the technical field of taking out an MJS broken drill rod, and has the advantages of taking out the broken drill rod, and the technical scheme is as follows: the first step, the sealing device is installed; secondly, opening holes in the structural wall and the underground continuous wall: the perforating equipment adopts drilling equipment; thirdly, positioning a high-pressure rotary jet drilling machine body in the horizontal MJS fracture drill rod taking-out device with the tap; fourthly, pre-leading holes; fifthly, fishing the tap into the hole; sixthly, installing a steel sleeve rotary spraying hole; seventh, the drilling length of the steel sleeve is more than 50cm through the bottom of the original broken drill rod drill bit; eighth step, salvaging the drill rod: after the steel sleeve is sleeved on the drill rod, the drill rod is rotated until the drill rod can be pulled out smoothly, the steel sleeve is slowly pulled out after the broken drill rod is pulled out, and mud is injected through the sealing device in the pulling-out process; and ninth, re-spraying the slurry.
Description
Technical Field
The invention relates to the technical field of taking out an MJS fracture drill rod, in particular to a horizontal MJS-based method for taking out the fracture drill rod.
Background
The engineering underground excavation part mainly penetrates through a silt clay and silt powder soil-sandwiched stratum, and the stratum is in a flowing plastic shape, extremely sensitive to excavation disturbance and high in sedimentation control difficulty. Because the upper part of the foundation is provided with a mucky soil layer, and the water permeability is weak, and the foundation is improved in a plurality of different ways because the stability of the excavated face is poor due to the existence of pressure-bearing water in the silt soil layer. Horizontal MJS construction piles are often used in the construction of underground sections as a form of foundation stabilization. However, due to the complex foundation structure in the city, in the pile hole guiding process of the horizontal MJS construction method, an unknown obstacle is often encountered, so that a plurality of uncertain factors are brought to construction, and the breakage of a drill rod is the most common problem.
The drill rod fracture is usually caused by the fact that the reinforcing body is high in strength and uneven in hardness, the drill rod is difficult to drill in the reinforcing body, the drill bit is easy to deflect towards the weak layer, the drill rod is stressed unevenly, the condition that the drill rod is damaged and broken occurs, and the follow-up pile grouting construction is affected, so that a method for taking out the broken drill rod is urgently needed.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide a method for taking out a broken drill rod based on a horizontal MJS method, which has the advantage of taking out the broken drill rod.
In order to solve the technical problems, the invention adopts the following technical scheme:
The invention provides a horizontal MJS-based method for taking out a broken drill rod, which comprises the following steps:
the first step, the sealing device is installed;
Secondly, opening holes in the structural wall and the underground continuous wall: the perforating equipment adopts drilling equipment;
thirdly, positioning a high-pressure rotary jet drilling machine body in the horizontal MJS fracture drill rod taking-out device with the tap;
Fourth, pre-hole leading: installing a connecting drill rod in the horizontal MJS fracture drill rod taking-out device with the tap, slowly entering a sealing device, and pre-guiding holes, wherein the depth of the pre-guiding holes is about 30cm away from the top of the fracture drill rod;
fifthly, fishing the tap into the hole; sixthly, installing a steel sleeve rotary spraying hole;
seventh, the drilling length of the steel sleeve is more than 50cm through the bottom of the original broken drill rod drill bit;
eighth step, salvaging the drill rod: after the steel sleeve is sleeved on the drill rod, the drill rod is rotated until the drill rod can be pulled out smoothly, the steel sleeve is slowly pulled out after the broken drill rod is pulled out, and mud is injected through the sealing device in the pulling-out process;
And ninth, re-spraying the slurry.
By adopting the technical scheme, in order to prevent the occurrence of the surging phenomenon, before the drill falling accident is handled, the original orifice sealing device is firstly dismantled, the new sealing device is installed, then the drilling equipment is used for perforating the structural wall and the underground diaphragm wall, the diameter of the orifice of the original drill rod falling is enlarged, a high-pressure jet grouting drill body in the horizontal MJS broken drill rod taking-out device with a tap is put in place, a connecting drill rod in the horizontal MJS broken drill rod taking-out device with the tap is installed, the sealing device is slowly entered, a pre-hole is carried out, the depth of the pre-hole is about 30cm away from the top of the broken drill rod, the front tap is pushed into the pre-hole, when the front tap is about to touch the broken drill rod, the pushing and rotating speed of the drill rod is reduced until the front tap enters the broken drill rod, the connecting bolt with the tap for the connecting drill rod in the horizontal MJS fracture drill rod taking-out device is detached, the top of the connecting drill rod is temporarily fixed at an orifice, a steel sleeve is connected with a high-pressure jet grouting drill machine body, the sealing device is pushed in by slow jet grouting, drilling is sequentially conducted along the drill rod which is placed in the orifice, when the drilling length is more than 50cm through the bottom of an original fracture drill bit and is used for reducing the water and soil pressure around the fracture drill rod, the fracture drill rod is conveniently pulled out, then the high-pressure jet grouting drill machine body is disconnected with the steel sleeve, the high-pressure jet grouting drill machine body is connected with the connecting drill rod, the drill rod is rotated until the drill rod can be smoothly pulled out, the steel sleeve is slowly pulled out after the fracture drill rod is pulled out, slurry is injected through the sealing device in the pulling-out process, and the drilling of the drill rod to be fractured is restarted at the position of the original dropping drill rod.
Preferably, the drilling equipment adopts the terrazzo to bore, including the drill bit and with drill bit coaxial coupling's bull stick, the bull stick is connected with the motor, the motor is installed on the support, the support includes that one end is placed subaerial bottom plate and vertical pole of setting on the bottom plate, vertical pole upper end is equipped with the mounting that is equipped with fixed motor, the mounting makes the bull stick on the motor change horizontal position from vertical position, when the bull stick on the motor is located vertical position, be equipped with the first moving part that driving motor reciprocated on the vertical pole, when the bull stick on the motor is located horizontal position, be equipped with the second moving part of the vertical pole horizontal migration of drive on the bottom plate.
Preferably, the mounting includes the fixed plate of level setting in vertical pole upper end, the drive shaft has been placed to fixed plate one end, be equipped with the connecting plate of rotating with the drive shaft both ends on the fixed plate, two connecting plates are all worn out at the drive shaft both ends and the equal fixedly connected with L shape's of one end of wearing out pendulum rod, pendulum rod one end is shorter with drive shaft fixed connection, and the other end is longer, slide along the direction that is close to or keep away from the drive shaft on the fixed plate and be connected with the upset board, the longer one end of pendulum rod is articulated with the side midpoint of upset board, the one end that the drive shaft was kept away from to the upset board slides with the fixed plate and is connected, the motor is fixed on the upset board, be equipped with the power piece that drive upset board and fixed plate slide and connect one end to remove on the fixed plate.
Preferably, the power piece is including setting up two slide rails that are parallel to each other on the fixed plate, two the travel groove that distributes along slide rail length direction has all been seted up to the slide rail up end, the relative both ends rotation of travel groove is connected with the lead screw, the one end of lead screw wears out the one end that the slide rail is close to the drive shaft and is equipped with driven gear at the one end coaxial of wearing out, the slide rail slides through the travel groove and is connected with the slider, the one end that the upset board slides with the fixed plate and is connected is equipped with two respectively with slider articulated connecting rod, slider and lead screw threaded connection, be equipped with first motor on the fixed plate, be equipped with the driving gear relative with driven gear on two lead screws respectively in the axis of rotation of first motor, and every driving gear passes through annular chain meshing connection with relative driven gear.
Preferably, the vertical rod is platy, first moving part is including seting up on the vertical rod and supplying the fixed plate to slide along the first groove of vertical direction, be equipped with on the fixed plate with first groove slip be connected first piece, the vertical rod is seting up in the second groove that is less than first groove with first groove intercommunication and width in one side that deviates from first groove, be equipped with the second piece that gets into the second groove and slide with the second groove on the first piece, be equipped with the speed change piece that the speed change drive second piece slided in the second groove on the vertical rod.
Preferably, the speed change piece includes setting up the L shape locating plate that has second groove one side at vertical pole and rotating the first gear, second gear, third gear and fourth gear that set up on the locating plate from the top down distributes in proper order and connects the gear chain of first gear, second gear, third gear and fourth gear, first gear and fourth gear are located one side in second groove, the second gear is located the opposite side in second groove, the one end that the locating plate was located the fourth gear and is kept away from the one end in second groove, the other end level extends to the top in second groove, just the third gear rotates to be connected on the terminal surface that the locating plate just faces the notch in second groove, the vertical pole is in the side that has the second groove to slide and is connected with the rectangle frame, the length perpendicular to the length in second groove of rectangle frame, rectangle frame and second piece fixed connection, the last articulated drive piece that is connected with that slides with the rectangle frame of gear chain, be equipped with the second motor that drives third gear pivoted on the locating plate.
Preferably, a protective cover covering the first gear, the second gear, the third gear, the fourth gear and the second groove is arranged on the vertical rod.
Preferably, the second moving part comprises a horizontal third groove formed in the bottom plate, a threaded rod is rotatably connected to the wall of the third groove opposite to the groove, a storage groove is formed in one side of the third groove in the bottom plate, a third motor for driving the threaded rod in the third groove to rotate is arranged in the storage groove, a sliding block in sliding connection with the third groove is arranged on the vertical rod, and the sliding block is in threaded connection with the threaded rod.
Preferably, the vertical pole all is equipped with the guide block that slides with the third groove along the both sides of third groove length direction, the guide block is located the threaded rod top, and each all be equipped with the horizontal plate that extends to the bottom plate up end on the guide block, when the vertical pole moves to required position along the third groove, threaded connection has the conflict pole of contradicting with the bottom plate on the horizontal plate.
Preferably, be equipped with the extension board that extends first groove notch on the first piece, the extension board is located one side of vertical pole and when first piece moved to the required position of first groove, threaded connection and the locking lever of vertical pole conflict on the extension board, set up the screw hole that supplies locking lever one end screw in on the vertical pole, the screw hole is equipped with a plurality of and distributes along the length direction of vertical pole.
The invention has the beneficial effects that: in order to prevent the surging phenomenon, before the drilling accident treatment, the original orifice sealing device is firstly dismantled, the new sealing device is installed, then the drilling equipment is used for perforating the structural wall and the underground continuous wall, the diameter of the orifice of the originally dropped drill rod is enlarged, a high-pressure rotary jet drill body in the device for taking out the horizontally MJS broken drill rod with the tap is arranged in place, a connecting drill rod in the device for taking out the horizontally MJS broken drill rod with the tap is installed, the sealing device is slowly introduced, a pre-drilling hole is carried out, the depth of the guiding hole is about 30cm away from the top of the broken drill rod, a front tap is pushed into the pre-drilling hole, when the front tap is about to hit the broken drill rod, the pushing and rotating speed of the drill rod is reduced until the front tap enters the broken drill rod, the connecting bolt of the connecting drill rod in the device with the tap is disassembled, the top of the connecting drill rod is temporarily fixed at the orifice, the steel sleeve is connected with the body of the high-pressure rotary jet drill machine, the drill rod is slowly and is pulled out along the connecting drill rod in the hole in turn, the length of the drill rod in the hole is 50cm away from the bottom of the original drill body, the drill rod is smoothly pulled out for pulling out the broken drill rod, and the slurry can be smoothly pulled out from the periphery of the drill rod is cut off, and the drill hole is cut off, and the drill holes can be smoothly and the drilling is cut off, and the drilling hole is cut off.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a schematic view of the structure of the present embodiment for representing the position of a broken drill rod;
FIG. 3 is a schematic view of the construction of the present embodiment for embodying a front end tap;
Fig. 4 is a schematic structural view showing a rotating lever according to the present embodiment;
Fig. 5 is a schematic structural view of the fixing plate according to the present embodiment;
fig. 6 is a schematic structural view of the present embodiment for embodying the first block;
fig. 7 is a schematic structural view of the present embodiment for embodying a second motor;
fig. 8 is a schematic structural view for embodying a rectangular frame of the present embodiment;
Fig. 9 is a schematic diagram of a structure for embodying the distribution of the first gear, the second gear, the third gear, and the fourth gear of the present embodiment;
fig. 10 is a schematic structural view for embodying the base plate of the present embodiment.
Reference numerals illustrate:
In the figure: 1. a high pressure rotary jet drilling machine body; 2. a front end tap; 3. a hollow tube; 4. connecting a drill rod; 7. a structural wall; 8. underground continuous wall; 9. constructing a pile body; 10. breaking the drill rod; 6. a drill bit; 61. a rotating rod; 62. a motor; 63. a bottom plate; 631. a third groove; 632. a threaded rod; 633. a storage groove; 634. a third motor; 635. a sliding block; 636. a guide block; 637. a horizontal plate; 638. a touch-up rod; 64. a vertical rod; 65. a fixing plate; 651. a drive shaft; 652. a connecting plate; 653. swing rod; 654. a turnover plate; 66. a slide rail; 661. a moving groove; 662. a screw rod; 663. a slide block; 664. a connecting rod; 665. a first motor; 666. an endless chain; 67. a first groove; 671. a first block; 672. a second groove; 673. a second block; 68. a positioning plate; 681. a first gear; 682. a second gear; 683. a third gear; 684. a fourth gear; 685. a gear chain; 686. a rectangular frame; 687. a driving block; 688. a second motor; 69. a protective cover; 691. an extension plate; 692. a locking lever.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A horizontal MJS-based method of breaking drill pipe extraction, as in fig. 1 and 2 and 3, comprising the steps of:
The first step, the sealing device is installed; the sealing device can be a sealing device structure in a horizontal MJS fracture drill rod 10 take-out device with tap disclosed in the patent with publication number CN 216130895U;
and secondly, opening holes in the structural wall 7 and the underground continuous wall 8: the drilling equipment adopts drilling equipment, namely, when drilling is just started, low-rotation-speed drilling is adopted, so that the drilling position is conveniently aligned, when the drilling wall body is drilled by 1cm-2cm, the drilling rotation speed is adjusted, the drilling progress is accelerated, and the drill bit of the drilling equipment is required to be withdrawn immediately after the drilling is completed;
thirdly, taking the high-pressure rotary jet drilling machine body 1 out of the device for taking the horizontal MJS fracture drill rod 10 with the tap into place;
Fourth, pre-hole leading: installing a connecting drill rod 4 in a device for taking out the horizontal MJS fracture drill rod 10 with a tap, slowly entering a sealing device, and pre-guiding holes, wherein the depth of each guiding hole is about 30cm away from the top of the fracture drill rod 10, and the fracture drill rod 10 is arranged on one side of a constructed pile body 9;
Fifthly, fishing a tap hole, namely immediately withdrawing the connecting drill rod 4 in the fourth step, installing a front tap 2 and a hollow pipe 3 through a fixed bolt, and connecting the front tap 2 with the connecting drill rod 4, so that the front tap 2 enters the broken drill rod 10, wherein the structure and the connection mode of the front tap 2, the hollow pipe 3 and the connecting drill rod 4 can refer to the structure and the connection mode of the front tap 2, the hollow pipe 3 and the connecting drill rod 4 in the taking-out device of the horizontal MJS broken drill rod 10 with the tap disclosed in the patent with the publication number of CN 216130895U;
Sixthly, installing a steel sleeve rotary spraying hole, and constructing the steel sleeve in a device for taking out the horizontal MJS fracture drill rod 10 with the tap, wherein the structure of the steel sleeve is disclosed in the patent with the construction of CN 216130895U;
Seventh, the drilling length of the steel sleeve is more than 50cm through the bottom of the drill bit of the original broken drill rod 10; the user can dismantle the connecting bolt of the connecting drill rod 4, temporarily fix the connecting drill rod 4 at the orifice, select a proper number of steel sleeves according to the depth of the broken drill rod 10, make the depth of the steel sleeves greater than the depth of the broken drill rod 10, then put the steel sleeves into the power head of the high-pressure rotary jet drill machine body 1, make the steel sleeves fixedly connected with the high-pressure rotary jet drill machine body 1 through the fastening device of the high-pressure rotary jet drill machine body 1, after rechecking in the horizontal and vertical directions, push the steel sleeves into the bolt connecting holes slowly, drill in sequence along the connecting drill rod 4 which has been put into the hole for guiding, the drilling length is more than fifty centimeters through the bottom of the broken drill rod 10, in order to reduce the water and soil pressure around the broken drill rod 10, and facilitate the pulling out of the broken drill rod 10;
Eighth step, salvaging the drill rod: after the steel sleeve is sleeved on the drill rod, a user can disconnect the high-pressure rotary jet drill machine body 1 from the steel sleeve through a self-pressing device of the high-pressure rotary jet drill machine body 1, temporarily fix the steel sleeve with the high-pressure rotary jet drill machine body 1, then connect the high-pressure rotary jet drill machine body 1 with the connecting drill rod 4, rotate the connecting drill rod 4 under the action of the high-pressure rotary jet drill machine body 1, slowly pull out the connecting drill rod 4, the hollow pipe 3, the front screw tap 2 and the broken drill rod 10, and after the broken drill rod 10 is pulled out, the user can fixedly connect the high-pressure rotary jet drill machine body 1 with the steel sleeve again, pull out the steel sleeve again under the action of the high-pressure rotary jet drill machine body 1, and inject slurry through a sealing device in the pulling-out process;
And ninth, re-spraying the slurry.
In order to prevent the surging phenomenon, before the drill falling accident is processed, the original orifice sealing device is firstly removed, the new sealing device is arranged on the structural wall 7, then the drilling equipment is used for perforating the structural wall 7 and the underground diaphragm wall 8, the diameter of the orifice of the original drill rod falling is enlarged, the high-pressure jet drill body 1 in the taking-out device of the horizontal MJS broken drill rod 10 with the tap is put in place, the connecting drill rod 4 in the taking-out device of the horizontal MJS broken drill rod 10 with the tap is arranged, the sealing device is slowly put into the sealing device, the pre-hole is carried out, the hole guiding depth is about 30cm away from the top of the broken drill rod 10, the front tap 2 is pushed into the pre-hole, when the front tap 2 is about to meet the broken drill rod 10, the pushing and rotating speed of the drill rod is reduced until the front tap 2 enters the broken drill rod, the connecting bolt of the connecting drill rod 4 in the horizontal MJS fracture drill rod 10 taking-out device with the tap is disassembled, the top of the connecting drill rod 4 is temporarily fixed at an orifice, a steel sleeve is connected with the high-pressure jet grouting drill machine body 1, the sealing device is pushed in by slow jet grouting, drilling is sequentially conducted along the drill rod which is put into the hole as a guide, when the drill rod enters the fracture drill rod, the drilling length is more than 50cm through the bottom of the original fracture drill bit, in order to reduce the water and soil pressure around the fracture drill rod 10, the fracture drill rod 10 is conveniently pulled out, then the high-pressure jet grouting drill machine body 1 is disconnected with the steel sleeve, the connecting drill rod 4 is rotated until the connecting drill rod 4 can be smoothly pulled out, the steel sleeve is slowly pulled out after the fracture drill rod 10 is pulled out, slurry is injected through the sealing device in the pulling-out process, and the drill rod to be fractured is pulled out, and (5) restarting the guniting construction at the position of the original dropped drill rod.
As shown in fig. 4 and 5, the drilling device used in the second step adopts a water mill drill, which comprises a drill bit 6 and a rotating rod 61 coaxially connected with the drill bit 6, wherein the rotating rod 61 is connected with a motor 62, the motor 62 is installed on a bracket, the bracket comprises a bottom plate 63 with one end placed on the ground and a vertical rod 64 vertically arranged on the bottom plate 63, the bottom plate 63 can be fixed on the ground through a plurality of screws at the moment, a fixing piece provided with a fixed motor 62 is arranged at the upper end of the vertical rod 64, the fixing piece enables the rotating rod 61 on the motor 62 to rotate from a vertical position to a horizontal position, when the rotating rod 61 on the motor 62 is positioned at the vertical position, the drill bit 6 is also positioned at the vertical position, a first moving piece for driving the motor 62 to move up and down is arranged on the vertical rod 64, at the moment, the drill bit 6 is conveniently pushed vertically into a wall, and when the rotating rod 61 on the motor 62 is positioned at the horizontal position, a second moving piece for driving the vertical rod 64 to move horizontally is arranged on the bottom plate 63. The setting of mounting is convenient for change the direction of drill bit 6, and the drilling of wall body in the horizontal and vertical direction of being convenient for this moment, and first moving member and second moving member control the push speed of drill bit 6 in vertical and horizontal direction respectively. The bottom plate 63 is provided with an opening for the drill bit 6 to penetrate through the bottom plate 63 and collide with the wall surface, or after the motor 62 is fixed by the fixing piece, the rotating rod 61 of the motor 62 and the drill bit 6 are positioned on one side of the bottom plate 63.
As shown in fig. 4 and 5, the fixing member includes a fixing plate 65 horizontally disposed at the upper end of the vertical rod 64, a driving shaft 651 is disposed at one end of the fixing plate 65, a connection plate 652 rotationally connected to two ends of the driving shaft 651 is disposed on the fixing plate 65, two connection plates 652 are penetrated out at two ends of the driving shaft 651, an L-shaped swing rod 653 is fixedly connected to one end of the penetrated swing rod 653, the other end of the swing rod 653 is longer, a turning plate 654 is slidingly connected to one end of the fixing plate 65 along a direction close to or far from the driving shaft 651, a side midpoint of the turning plate 654 is hinged to one end of the longer swing rod 653, one end of the turning plate 654 far from the driving shaft 651 is slidingly connected to the fixing plate 65, the other end of the turning plate 654 is free, a motor 62 of the drilling device is fixed on the turning plate 654, a rotating rod 61 on the motor 62 is vertically distributed on a plate surface of the turning plate 654, and a power member for driving the turning plate 654 to slidingly connect one end with the fixing plate 65 is disposed on the fixing plate 65.
As shown in fig. 4 and 5, the power member includes two parallel sliding rails 66 disposed on the fixed plate 65, the length direction of the sliding rails 66 is perpendicular to the length direction of the driving shaft 651, moving grooves 661 distributed along the length direction of the sliding rails 66 are provided on the upper end surfaces of the two sliding rails 66, screw rods 662 are rotatably connected to opposite ends of each moving groove 661, the screw rods 662 are distributed along the length direction of the moving grooves 661, one end of each screw rod 662 penetrates through one end of the sliding rail 66 near the driving shaft 651 and is coaxially provided with a driven gear at the penetrated end, the sliding rail 66 is slidably connected with a sliding block 663 through the moving groove 661, one end of the sliding connection of the turnover plate 654 and the fixed plate 65 is provided with two connecting rods 664 hinged with the sliding blocks 663 respectively, the sliding blocks 663 are in threaded connection with the screw rods 662, a first motor 665 is provided on the fixed plate 65, driving gears (not shown in the drawing) opposite to the driven gears on the two screw rods 662 are provided on the rotating shafts of the first motor 665 respectively, and each driving gear is in meshed connection with the opposite driven gears through an annular chain 666.
As shown in fig. 4 and fig. 5, when the first motor 665 rotates, it drives two driving gears to rotate, so that the two driving gears drive two driven gears to rotate through the annular chain 666 respectively, and then drive two screw rods 662 to rotate, the rotating screw rods 662 drive the sliding blocks 663 to slide on the sliding rails 66, at this time, the screw threads on the two screw rods 662 set up to enable the two sliding blocks 663 to move towards one direction at the same time, when moving towards the direction of the driving shaft 651, one end of the driving turnover plate 654 is also driven to move towards the direction of the driving shaft 651, at this time, the swing rod 653 drives the middle part of the turnover plate 654 to move away from the direction of the fixing plate 65, so that the turnover plate 654 rotates around the point hinged with the sliding blocks 663, and then the turnover plate 654 is convenient to rotate from a horizontal position to a vertical position, i.e. the position of the surface of the turnover plate 654 is perpendicular to the surface of the fixing plate 65 (as shown in fig. 4). At this time, the position of the turning plate 654 is turned, that is, the turning rod 61 on the driving motor 62 is turned, so that the position of the drill bit 6 on the turning rod 61 is changed. When the first motor 665 rotates reversely, the two sliders 663 move away from the driving shaft 651 at the same time, and the swing rod 653 drives the middle position of the turning plate 654 to move toward the plate surface of the fixed plate 65, so that the turning plate 654 rotates around the point hinged with the sliders 663, the turning plate 654 gradually rotates to a position parallel to the fixed plate 65 (as shown in fig. 5), and the motor 62 on the turning plate 654, the rotating rod 61 and the drill bit 6 are in vertical positions.
Referring to fig. 6 and 7, the vertical rod 64 is plate-shaped, the first moving member includes a first groove 67 formed on the vertical rod 64 and used for sliding the fixing plate 65 along a vertical direction, a first block 671 slidably connected with the first groove 67 is formed on the fixing plate 65, a second groove 672 communicated with the first groove 67 and having a smaller width than the first groove 67 is formed on one side of the vertical rod 64 away from the first groove 67, at this time, the lengths of the first groove 67 and the second groove are consistent, a second block 673 entering the second groove 672 and slidably moving with the second groove 672 is formed on the first block 671, and a speed changing member for driving the second block 673 to slide in the second groove 672 is formed on the vertical rod 64. At this time, the speed changing piece is convenient to drive the fixing plate 65 to move on the vertical rod 64 in a speed changing way, so that the drill bit 6 is changed in speed and enters the wall body.
Referring to fig. 7, 8 and 9, the speed-changing member includes an L-shaped positioning plate 68 disposed on one side of the vertical rod 64 with a second slot 672, a first gear 681, a second gear 682, a third gear 683 and a fourth gear 684 disposed on the positioning plate 68 in turn from top to bottom, and a gear chain 685 connecting the first gear 681, the second gear 682, the third gear 683 and the fourth gear 684, at this time, the gear chain 685 is engaged with the first gear 681, the second gear 682, the third gear 683 and the fourth gear 684, the first gear 681, the second gear 682, the third gear 683 and the fourth gear 684 are all distributed toward the vertical rod 64 and have the same diameter, the first gear 681 and the fourth gear 684 are disposed on one side of the second slot 672, the second gear 682 is disposed on the other side of the second slot 672, one end of the positioning plate 68 is disposed on the other end of the fourth gear 684 far from the second slot 672, the other end extends horizontally to the top of the second slot 672, and the third gear 683 is connected to the second slot 686, the third gear 686 is connected to the second gear 686 in a sliding manner, and the second gear 686 is connected to the second slot 686 in a sliding manner, and the length of the second gear 686 is connected to the rectangular frame 686, and the sliding frame 686 is connected to the rectangular frame 686. The vertical rod 64 is provided with a protective cover 69 covering the first gear 681, the second gear 682, the third gear 683, the fourth gear 684 and the second groove 672.
As shown in fig. 7 and 8 and 9, when the second motor 688 is located at a side of the positioning plate 68 facing away from the second groove 672, and the second motor 688 drives the third gear 683 to rotate, the third gear 683 drives the first gear 681, the second gear 682 and the fourth gear 684 to rotate together through the gear chain 685, the first gear 681 and the fourth gear 684 are located on the same straight line, the first gear 681 is higher than the second gear 682, the second gear 682 is higher than the third gear 683, the third gear 683 is higher than the fourth gear 684, the third gear 683 is located in a space between the first gear 681 and the second gear 682, and when the gear chain is moved, the driving block 687 is also driven to move together, and when the drill bit 6 needs to descend slowly, i.e. when the drill bit 6 just begins to drill a wall, the driving block 687 moves from the first gear 681 to the second gear 682 along with the gear chain 685, the gear chain 685 is sloped, where the drill bit 6 descends at a slower rate, then the drive block 687 is level with the gear chain 685 from the second gear 682 to the third gear 683, thus allowing a brief dwell of the drill bit 6 into the wall, then the drive block 687 is vertically downward with the gear chain 685 from the third gear 683 to the fourth gear 684, where the drive block 687 descends at a faster rate than the speed blocks descending at the first gear 681 and the second gear 682, facilitating the drill bit 6 to quickly enter the wall, when the drive block 687 moves to the fourth gear 684, the drill bit 6 drills through the wall, then the drive block 687 is in a vertical position as the drive block 687 moves from the fourth gear 684 to the first gear 681, allowing the drill bit 6 to be quickly pulled out of the wall. The whole process driving block 687 moves back and forth in the rectangular frame 686, and further drives the second block 673 to rise and fall in the second groove 672, and at this time, the connection position of the positioning plate 68 and the vertical rod 64 is in a gap with the outer wall of one side of the rectangular frame 686, that is, the movement of the rectangular frame 686 is not affected.
Referring to fig. 1, a first block 671 is provided with an extension plate 691 extending out of a notch of the first groove 67, the extension plate 691 is located above the fixed plate 65, the extension plate 691 is located at one side of the vertical rod 64, and when the first block 671 moves to a position required by the first groove 67, a locking rod 692 abutting against the vertical rod 64 is connected to the extension plate 691 in a threaded manner, the vertical rod 64 is provided with a threaded hole (not shown in the drawing) into which one end of the locking rod 692 is screwed, and the threaded hole is provided with a plurality of threaded holes distributed along the length direction of the vertical rod 64. At this time, when the first block 671 is moved to a desired position of the first groove 67, the locking lever 692 is screwed into the threaded hole, thereby fixing the position of the extension plate 691 such that the position of the first block 671 is also fixed.
As shown in fig. 7, 8 and 9, the second moving member includes a horizontal third groove 631 formed on the bottom plate 63, a threaded rod 632 is rotatably connected to the third groove 631 opposite to the groove wall, a storage groove 633 is formed on one side of the third groove 631 on the bottom plate 63, a third motor 634 driving the threaded rod 632 in the third groove 631 to rotate is disposed in the storage groove 633, a sliding block 635 slidably connected to the third groove 631 is disposed on the vertical rod 64, and the sliding block 635 is in threaded connection with the threaded rod 632. At this time, the third motor 634 drives the threaded rod 632 to rotate, so that the threaded rod 632 drives the sliding block 635 to move on the bottom plate 63, the vertical rod 64 moves on the bottom plate 63, when the drill bit 6 is horizontal, the drill bit 6 gradually enters the wall, and at this time, the moving speed of the vertical rod 64, that is, the speed of the drill bit 6 entering the wall, can be changed by changing the rotating speed of the third motor 634.
As shown in fig. 10, the vertical rod 64 is provided with sliding guide blocks 636 with the third groove 631 on both sides along the length direction of the third groove 631, the guide blocks 636 are located above the threaded rods 632, each guide block 636 is provided with a horizontal plate 637 extending to the upper end surface of the bottom plate 63, and when the vertical rod 64 moves to a desired position along the third groove 631, the horizontal plates 637 are in threaded connection with a collision rod 638 which collides with the bottom plate 63. The guide block 636 is provided to stabilize the movement of the vertical rod 64, and the interference rod 638 is provided to facilitate fixing the position of the vertical rod 64 when the vertical rod 64 moves to a desired position along the third slot 631.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (4)
1. The horizontal MJS-based method for taking out the broken drill rod is characterized by comprising the following steps of:
the first step, the sealing device is installed;
secondly, opening holes in the structural wall (7) and the underground continuous wall (8): the perforating equipment adopts drilling equipment;
thirdly, taking out the high-pressure rotary jet drilling machine body (1) in the device for taking out the horizontal MJS fracture drill rod (10) with the tap into position;
fourth, pre-hole leading: installing a connecting drill rod (4) in a taking-out device of the horizontal MJS fracture drill rod (10) with a tap, slowly entering a sealing device, and pre-guiding holes, wherein the depth of the pre-guiding holes is 30cm away from the top of the fracture drill rod (10);
fifthly, fishing the tap into the hole; sixthly, installing a steel sleeve rotary spraying hole;
Seventh, the drilling length of the steel sleeve is more than 50cm through the bottom of the drill bit of the original broken drill rod (10);
Eighth step, salvaging the drill rod: after the steel sleeve is sleeved on the drill rod, the drill rod is rotated until the drill rod can be pulled out smoothly, the steel sleeve is slowly pulled out after the broken drill rod (10) is pulled out, and mud is injected through the sealing device in the pulling-out process;
ninth, re-spraying construction;
The drilling equipment adopts a terraced drill, and comprises a drill bit (6) and a rotating rod (61) coaxially connected with the drill bit (6), wherein the rotating rod (61) is connected with a motor (62), the motor (62) is installed on a bracket, the bracket comprises a bottom plate (63) with one end placed on the ground and a vertical rod (64) vertically arranged on the bottom plate (63), the upper end of the vertical rod (64) is provided with a fixing piece for fixing the motor (62), the rotating rod (61) on the motor (62) is rotated from a vertical position to a horizontal position, when the rotating rod (61) on the motor (62) is positioned at the vertical position, a first moving piece for driving the motor (62) to move up and down is arranged on the vertical rod (64), and when the rotating rod (61) on the motor (62) is positioned at the horizontal position, a second moving piece for driving the vertical rod (64) to move horizontally is arranged on the bottom plate (63);
The fixing piece comprises a fixing plate (65) horizontally arranged at the upper end of a vertical rod (64), a driving shaft (651) is arranged at one end of the fixing plate (65), a connecting plate (652) rotationally connected with two ends of the driving shaft (651) is arranged on the fixing plate (65), two ends of the driving shaft (651) penetrate through the two connecting plates (652) and are fixedly connected with L-shaped swing rods (653) at the penetrated ends, one end of each swing rod (653) is short and fixedly connected with the driving shaft (651), the other end of each swing rod is long, a turnover plate (654) is slidingly connected to the fixing plate (65) along the direction close to or far away from the driving shaft (651), one longer end of each swing rod (653) is hinged to the midpoint of the side face of the turnover plate (654), one end of each turnover plate (654) far away from the driving shaft (651) is slidingly connected with the fixing plate (65), a motor (62) is fixed on the turnover plate (654), and a power piece for driving one end of the turnover plate (654) to slidingly connected to move is arranged on the fixing plate (65).
The power piece comprises two mutually parallel sliding rails (66) arranged on a fixed plate (65), moving grooves (661) distributed along the length direction of the sliding rails (66) are formed in the upper end faces of the two sliding rails (66), screw rods (662) are rotatably connected to the two opposite ends of the moving grooves (661), driven gears are coaxially arranged at one end, which is close to a driving shaft (651), of each screw rod (662) penetrating out of one end of the sliding rail (66), the sliding rails (66) are slidably connected with sliding blocks (663) through the moving grooves (661), two connecting rods (664) hinged with the sliding blocks (663) are arranged at one end, which is slidably connected with the fixed plate (65), of each turning plate (654) is in threaded connection with the screw rods (662), first motors (665) are arranged on the fixed plate (65), driving gears opposite to the driven gears on the two screw rods (662) are respectively arranged on the rotating shafts of the first motors (665), and each driving gear is in meshed connection with the corresponding driven gears through annular chains (666);
The vertical rod (64) is plate-shaped, the first moving part comprises a first groove (67) which is formed in the vertical rod (64) and used for enabling the fixed plate (65) to slide along the vertical direction, a first block (671) which is connected with the first groove (67) in a sliding mode is arranged on the fixed plate (65), a second groove (672) which is communicated with the first groove (67) and has a smaller width than the first groove (67) is formed in one side, away from the first groove (67), of the vertical rod (64), a second block (673) which enters the second groove (672) and slides with the second groove (672) is arranged on the first block (671), and a speed changing part which is used for driving the second block (673) to slide in the second groove (672) in a speed changing mode is arranged on the vertical rod (64);
The speed change part comprises an L-shaped locating plate (68) arranged on one side of a second groove (672) of the vertical rod (64) and a first gear (681), a second gear (682), a third gear (683) and a fourth gear (684) which are arranged on the locating plate (68) in a rotating manner and are distributed from top to bottom in sequence, and a gear chain (685) connected with the first gear (681), the second gear (682), the third gear (683) and the fourth gear (684), wherein the first gear (681) and the fourth gear (684) are positioned on one side of the second groove (672), the second gear (682) is positioned on the other side of the second groove (672), one end of the locating plate (68) is positioned on one end of the fourth gear (684) far away from the second groove (672), the other end of the locating plate (68) horizontally extends to the upper side of the second groove (672), the third gear (683) is connected with the end face of the notch of the locating plate (68) in a rotating manner, the first gear (681) and the second gear (686) is connected with the length of a rectangular block (686) which is connected with a rectangular block (686) in a sliding manner on one side of the rectangular block (686) of the second groove (686) in a sliding manner, the positioning plate (68) is provided with a second motor (688) for driving the third gear (683) to rotate;
The second moving part comprises a horizontal third groove (631) formed in the bottom plate (63), a threaded rod (632) is rotatably connected to the opposite groove wall of the third groove (631), a storage groove (633) is formed in one side of the third groove (631) in the bottom plate (63), a third motor (634) for driving the threaded rod (632) in the third groove (631) to rotate is arranged in the storage groove (633), a sliding block (635) in sliding connection with the third groove (631) is arranged on the vertical rod (64), and the sliding block (635) is in threaded connection with the threaded rod (632).
2. The horizontal MJS-based tool fracture drill pipe retrieval method as recited in claim 1, wherein a protective cover (69) is provided over the vertical rod (64) to cover the first gear (681), the second gear (682), the third gear (683), the fourth gear (684), and the second slot (672).
3. The method for taking out a broken drill rod based on the horizontal MJS method according to claim 1, wherein two sides of the vertical rod (64) along the length direction of the third groove (631) are respectively provided with a sliding guide block (636) sliding with the third groove (631), the guide blocks (636) are positioned above the threaded rods (632), each guide block (636) is provided with a horizontal plate (637) extending to the upper end surface of the bottom plate (63), and when the vertical rod (64) moves to a required position along the third groove (631), the horizontal plates (637) are connected with interference rods (638) which are in interference with the bottom plate (63) in a threaded manner.
4. The horizontal MJS-based method for taking out a broken drill rod according to claim 1, wherein the first block (671) is provided with an extension plate (691) extending out of the notch of the first slot (67), the extension plate (691) is located at one side surface of the vertical rod (64), and when the first block (671) moves to a position required by the first slot (67), the extension plate (691) is connected with a locking rod (692) which is in interference with the vertical rod (64) in a threaded manner, the vertical rod (64) is provided with a threaded hole into which one end of the locking rod (692) is screwed, and the threaded holes are provided with a plurality of locking rods distributed along the length direction of the vertical rod (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210990160.XA CN115405249B (en) | 2022-08-18 | 2022-08-18 | Horizontal MJS-based method for taking out broken drill rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210990160.XA CN115405249B (en) | 2022-08-18 | 2022-08-18 | Horizontal MJS-based method for taking out broken drill rod |
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| CN115405249B true CN115405249B (en) | 2024-05-17 |
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| CN114876356A (en) * | 2022-06-08 | 2022-08-09 | 山东省煤田地质规划勘察研究院 | Deepened drilling equipment for geological survey |
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| WO2016049422A1 (en) * | 2014-09-25 | 2016-03-31 | Andrew Niemczyk | Mobile drilling rig |
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| GB843201A (en) * | 1957-07-29 | 1960-08-04 | English Drilling Equipment Com | Earth and the like boring and drilling apparatus |
| RU95106957A (en) * | 1995-04-28 | 1997-02-10 | А.И. Литвинов | Top-driven drilling device |
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| CN115405249A (en) | 2022-11-29 |
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