CN116677399A - Emergency rescue drilling obstacle-removing device and use method thereof - Google Patents
Emergency rescue drilling obstacle-removing device and use method thereof Download PDFInfo
- Publication number
- CN116677399A CN116677399A CN202310638729.0A CN202310638729A CN116677399A CN 116677399 A CN116677399 A CN 116677399A CN 202310638729 A CN202310638729 A CN 202310638729A CN 116677399 A CN116677399 A CN 116677399A
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- main shaft
- obstacle
- emergency rescue
- wall
- removing device
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- 238000005553 drilling Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 210000000078 claw Anatomy 0.000 claims description 43
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an emergency rescue drilling obstacle-removing device which is inserted into a steel sheath and comprises a main shaft base, wherein a rotary main shaft is integrally formed at the outer end of the main shaft base, a torque transmission drill rod is arranged at the inner end of the main shaft base, threads are arranged at the outer end of the outer wall of the rotary main shaft, a supporting mechanism base is sleeved at the inner end of the outer wall of the rotary main shaft, a supporting mechanism is fixedly arranged on the outer surface of the supporting mechanism base, a torque transmission disc is arranged at the inner end of the outer wall of the main shaft base, the sheath inserted into the steel sheath is fixedly arranged on the outer wall of the torque transmission disc through a screw, and the use method mainly comprises three steps of pushing, supporting and withdrawing.
Description
Technical Field
The invention belongs to the technical field of mine and tunnel collapse rescue drilling, and particularly provides an emergency rescue drilling obstacle-removing device and a use method thereof.
Background
In recent years, with the increasing of the national construction force of coal mine safety inspection and emergency rescue systems, various advanced rescue equipment is put into use successively. However, as the mining depth of the coal mine increases year by year, the difficulty of ground rescue in time consumption, accurate positioning and the like is also increased, so that the development of horizontal rescue in the adjacent area is imperative.
The mine, tunnel top and side walls are mostly supported by steel, anchor rods, anchor nets and other metals. When the roof of the well tunnel is propped and collapses, irregular transverse stems of hard objects such as section steel, anchor rods, anchor nets and the like for supporting are in collapsed earthwork, broken stone or coal. When the horizontal rescue hole is constructed, the prior art equipment cannot quickly crush hard objects such as falling rocks and section steel in complex collapse bodies, so that drilling is blocked, waste holes are formed, and the construction progress is seriously hindered.
Disclosure of Invention
In order to solve the problems, the invention provides an emergency rescue drilling obstacle-removing device which can quickly remove obstacles, dredge drilling track channels and prevent drill sticking and waste holes when the rescue drill drilling construction meets hard objects such as profile steel, anchor rods, anchor nets and the like. In addition, the invention also provides a use method of the emergency rescue drilling obstacle-removing device.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides an emergency rescue bores into and dredges barrier device, peg graft inside steel sheath, including the main shaft base, the outer end integrated into one piece of main shaft base has rotatory main shaft, and the inner of main shaft base is installed and is passed and turn round the drilling rod, the outer wall outer end of rotatory main shaft is seted up the screw thread, the outer wall inner of rotatory main shaft has cup jointed and has opened the mechanism base, the surface fixed mounting who opens mechanism base has and struts the mechanism, the outer wall inner of main shaft base is equipped with and passes to turn round the dish, the outer wall that passes to turn round the dish has the sheath of grafting inside steel sheath through screw fixed mounting, and struts the mechanism and be located inside the sheath.
The expanding mechanism comprises an expanding seat, a thread block, an expanding claw and a supporting rod, wherein the expanding seat is fixedly arranged on the outer surface of a base of the expanding mechanism, the expanding claw is rotationally assembled on the expanding seat, the thread block is in threaded connection with a thread of a rotating main shaft, and two ends of the supporting rod are respectively hinged to a hinging seat of the thread block and the inner wall of the expanding claw.
Further, the even integrated into one piece of inner wall outer end of steel sheath has the circular arc arch, the outer wall integrated into one piece of strutting the claw has spacing arch, the circular arc arch is located the coplanar with spacing arch, and spacing bellied rotation track and the coincidence of circular arc arch, the protruding inside and outside both sides of circular arc all process the chamfer.
Further, the outer surface of the expanding seat is uniformly provided with expanding claw mounting grooves, the inner walls of the expanding claw mounting grooves are provided with expanding claw pin shafts, and the inner ends of the expanding claws are hinged to the expanding claw pin shafts.
Further, the inner wall of the sheath is uniformly and integrally formed with an arc-shaped limiting plate, and the outer end of the supporting seat is provided with an arc-shaped stepped groove corresponding to the arc-shaped limiting plate.
Further, the outer wall integrated into one piece of sheath has annular protruding, and annular bellied outer wall has seted up the helicla flute, and the spiral direction of helicla flute is left-handed, the screw of rotatory main shaft is left-handed to the screw.
Further, spline grooves are formed in the outer wall of the inner end of the main shaft base, and splines matched with the spline grooves are formed in the torque transmission disc.
Further, a blocking sleeve is fixedly arranged on the outer wall of the rotary main shaft through screws, and threads of the opening mechanism base and the rotary main shaft are respectively positioned on two sides of the blocking sleeve.
The application method of the emergency rescue drilling obstacle-removing device comprises the following steps of:
firstly, in a pushing-in state, connecting an emergency rescue drilling obstacle-removing device to the front end of a torque transmission drill rod, simultaneously ensuring that an opening claw is in a closed state, then driving by using rear-end drilling machine equipment, and pushing the emergency rescue drilling obstacle-removing device to the front end of a steel sheath in a counterclockwise rotation mode, wherein the rotating sheath can guide and discharge mudstone slag in an inner cavity of the steel sheath to the rear end of the emergency rescue drilling obstacle-removing device through a spiral groove outside the rotating sheath;
when the emergency rescue drilling obstacle-removing device moves to the front end of the steel sheath, 4 opening claws at the front end of the emergency rescue drilling obstacle-removing device are closed to be in a conical shape, so that the emergency rescue drilling obstacle-removing device can easily cross an obstacle, clockwise rotation torque is applied to a torque transmission drill rod by utilizing rear-end drilling machine equipment, a rotating main shaft is driven to rotate, a threaded block which is arranged on the rotating main shaft through threads is driven to move forwards, the supporting rod is enabled to be in a vertical state, the 4 opening claws are driven to open the obstacle beyond a drilling track, and the rear-end drilling machine equipment is used for pushing the steel sheath to cross the obstacle;
and step three, in a withdrawal state, the emergency rescue drilling obstacle removing device is driven to rotate anticlockwise by using the torque transmission drill rod, so that a threaded block on the threaded installation rotating main shaft moves backwards, the spread spreading claws are contracted, and the emergency rescue drilling obstacle removing device is driven to withdraw by using the torque transmission drill rod.
The beneficial effects of using the invention are as follows:
the invention mainly utilizes the opening mechanism in the emergency rescue drilling obstacle-removing device to move to the hard object in the rescue hole, and the hard object is opened by opening the opening claw, so that the steel sheath can smoothly pass through the opening claw, the drill bit can continue to drill, the drilling track channel is dredged, and the generation of the drill sticking and the waste hole is prevented.
According to the invention, the spiral groove structure is designed on the outer wall of the sheath, so that when the emergency rescue drilling obstacle-removing device rotates anticlockwise and moves forwards in the steel sheath, mud rock slag scraps falling into the steel sheath can be discharged to the rear end of the emergency rescue drilling obstacle-removing device, the emergency rescue drilling obstacle-removing device can smoothly travel to the forefront end in the steel sheath, and further the spreading mechanism can perform obstacle-removing work in a larger range and more effectively.
According to the invention, the circular arc protrusions are arranged on the inner wall of the steel sheath, the limiting protrusions are arranged on the outer wall of the opening claw, and the two limiting protrusions are matched with each other to limit the rotation of the opening mechanism, so that the rotation of the rotary main shaft can effectively drive the threaded block to translate, the opening action of the opening claw is further effectively realized, and the obstacle-removing work is effectively completed.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front cross-sectional view of the present invention.
Fig. 3 is a right side view of the steel jacket of the present invention.
Fig. 4 is a cross-sectional view of A-A of fig. 3 in accordance with the present invention.
Fig. 5 is a perspective view of the spreader of the present invention.
Fig. 6 is a perspective view of the sheath of the present invention.
Fig. 7 is a front view of the sheath of the present invention.
Fig. 8 is a perspective view of the torque plate of the present invention.
The reference numerals include: 1. the steel sheath, 2, the main shaft base, 3, the rotating main shaft, 4, the supporting mechanism base, 5, the supporting mechanism, 51, the supporting seat, 511, the supporting claw mounting groove, 512, the supporting claw pin shaft, 513, the arc-shaped stepped groove, 52, the thread block, 53, the supporting claw, 531, the limiting protrusion, 54, the supporting rod, 6, the torque transmission disc, 7, the sheath, 8, the arc protrusion, 9, the spiral groove, 10, the arc-shaped limiting plate, 11, the spline, 12 and the blocking sleeve.
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.
Example 1
Referring to fig. 1 to 8, an emergency rescue drilling obstacle-removing device is inserted into a steel sheath 1 and comprises a main shaft base 2, a rotary main shaft 3 is integrally formed at the outer end of the main shaft base 2, a torque transmission drill rod is installed at the inner end of the main shaft base 2, threads are arranged at the outer end of the outer wall of the rotary main shaft 3, a supporting mechanism base 4 is sleeved at the inner end of the outer wall of the rotary main shaft 3, a supporting mechanism 5 is fixedly installed on the outer surface of the supporting mechanism base 4, a torque transmission disc 6 is installed at the inner end of the outer wall of the main shaft base 2, a sheath 7 inserted into the steel sheath 1 is fixedly installed on the outer wall of the torque transmission disc 6 through a screw, and the supporting mechanism 5 is located inside the sheath 7.
When the sleeve drilling machine is used for drilling construction of rescue holes and hard objects such as profile steel, anchor rods and anchor nets, the internal drilling tool and the drill bit are withdrawn, the emergency rescue drilling obstacle removing device is conveyed to the bottom of the hole by the torque transmission drill rod, the obstacle is unfolded, the steel sheath 1 can be jacked in again, the emergency rescue drilling obstacle removing device is taken out, and the drilling tool is used for drilling holes.
The front end of the inner wall of the steel sheath 1 is integrally formed with a baffle ring for limiting the forefront position of the emergency rescue drilling obstacle-removing device in the steel sheath 1.
The spindle base 2 is connected with the torque transmission drill rod through hexagonal plug connection, and the axial movement is limited through a U-shaped pin.
The torque transmission drill rod is connected to the drilling machine, and the torque transmission drill rod drives the emergency rescue drilling obstacle-removing device to move in the steel sheath 1 and can drive the emergency rescue drilling obstacle-removing device to rotate.
As shown in fig. 2, the expanding mechanism 5 comprises an expanding seat 51, a threaded block 52, an expanding claw 53 and a supporting rod 54, wherein the expanding seat 51 is fixedly arranged on the outer surface of the expanding mechanism base 4, the expanding claw 53 is rotationally assembled on the expanding seat 51, the threaded block 52 is in threaded connection with the threads of the rotating main shaft 3, and two ends of the supporting rod 54 are respectively hinged to the hinging seat of the threaded block 52 and the inner wall of the expanding claw 53.
When the rotary main shaft 3 rotates along with the torque transmission drill rod and the expanding mechanism 5 does not rotate, the threaded block 52 transversely moves on the threads of the rotary main shaft 3 to drive the supporting rod 54 to deflect, when the threaded block 52 moves towards the outer end, the expanding claw 53 is opened, and when the threaded block 52 moves towards the inner end, the expanding claw 53 is closed.
The spreader fingers 53 in the spreader mechanism 5 are able to spread the obstacle in the borehole out of the path of the drill, in order to then advance the steel sheath 1 and then drill the drill bit.
Specifically, as shown in fig. 1 to 4, the outer end of the inner wall of the steel sheath 1 is uniformly and integrally formed with an arc protrusion 8, the outer wall of the expanding claw 53 is integrally formed with a limiting protrusion 531, the arc protrusion 8 and the limiting protrusion 531 are positioned in the same plane, the rotation track of the limiting protrusion 531 coincides with the arc protrusion 8, and both the inner side and the outer side of the arc protrusion 8 are processed with chamfers.
Because the rotation track of the limiting protrusion 531 coincides with the arc protrusion 8, the arc protrusion 8 plays a role in blocking and limiting the limiting protrusion 531, so that the opening mechanism 5 cannot be driven to rotate when the rotating main shaft 3 rotates, and the threaded block 52 can be further ensured to move.
The outer side and the inner side of the arc bulge 8 are provided with chamfers, so that the emergency rescue drilling obstacle-removing device and the telescopic drill bit for drilling cannot be clamped on the front end surface of the steel sheath tube when the telescopic drill bit for drilling is retracted, and the drill bit jacking and the telescopic drill bit retracting are facilitated.
Specifically, as shown in fig. 5, the outer surface of the spreader seat 51 is uniformly provided with spreader pawl mounting grooves 511, the inner wall of the spreader pawl mounting groove 511 is provided with spreader pawl pin shafts 512, and the inner ends of the spreader pawls 53 are hinged to the spreader pawl pin shafts 512.
Specifically, as shown in fig. 5 and 6, the inner wall of the sheath 7 is uniformly and integrally formed with an arc-shaped limiting plate 10, and the outer end of the spreader 51 is provided with an arc-shaped stepped groove 513 corresponding to the arc-shaped limiting plate 10.
The radian of the arc-shaped step groove 513 is larger than that of the expanding claw mounting groove 511, so that the expanding seat 51 can always limit the position of the sheath 7.
The main shaft base 2, the rotary main shaft 3, the opening mechanism base 4, the opening mechanism 5, the torque transmission disc 6 and the sheath 7 are assembled together through the cooperation of the arc limiting plates 10 and the arc stepped grooves 513 and the main shaft base 2 and the cooperation of the opening mechanism base 4 and the main shaft base 2 and the cooperation of the torque transmission disc 6 and the main shaft base 2, and the opening mechanism base 4 and the opening mechanism 5 can rotate in the sheath 7.
Specifically, as shown in fig. 6 and 7, the outer wall of the sheath 7 is integrally formed with an annular protrusion, the outer wall of the annular protrusion is provided with a spiral groove 9, the spiral direction of the spiral groove 9 is left-handed, and the spiral direction of the thread of the rotating main shaft 3 is left-handed.
The annular bulge contacts with the inner wall of the steel sheath 1, when the sheath 7 rotates anticlockwise and advances, mud rock slag in front of the steel sheath 1 can be guided to the rear of the emergency rescue drilling obstacle removing device through the spiral groove 9, so that the mud rock slag cannot form a barrier when the emergency rescue drilling obstacle removing device advances, the emergency rescue drilling obstacle removing device is guaranteed to move to the forefront end of the steel sheath 1, and the limiting bulge 531 and the arc bulge 8 are located on the same plane.
Specifically, as shown in fig. 8, a spline groove is formed in the outer wall of the inner end of the spindle base 2, and a spline 11 matching the spline groove is formed in the torque transmission disc 6.
The torque transmission disc 6 is mounted on the spindle base 2 through the spline 11, and the torque transmission disc 6 and the sheath 7 can rotate together with the spindle base 2.
Specifically, as shown in fig. 2, the outer wall of the rotating main shaft 3 is fixedly provided with a blocking sleeve 12 by a screw, and the supporting mechanism base 4 and the threads of the rotating main shaft 3 are respectively positioned at two sides of the blocking sleeve 12.
The retaining sleeve 12 is of a semicircular structure, and two retaining sleeves 12 are symmetrically arranged at the retaining sleeve.
Example two
An emergency rescue drilling obstacle-removing device using method, which utilizes the emergency rescue drilling obstacle-removing device of the first embodiment, specifically comprises the following steps:
step one, in a pushing state, connecting an emergency rescue drilling obstacle-removing device to the front end of a torque transmission drill rod, ensuring that an opening claw 53 is in a closed state, then driving by using rear-end drilling machine equipment, and pushing the emergency rescue drilling obstacle-removing device to the front end of a steel sheath 1 in a counterclockwise rotation mode, wherein a rotating sheath 7 guides and discharges mudstone slag in an inner cavity of the steel sheath 1 to the rear end of the emergency rescue drilling obstacle-removing device through a spiral groove 9 outside the rotating sheath;
when the emergency rescue drilling obstacle-removing device moves to the front end of the steel sheath 1, 4 supporting claws 53 at the front end of the emergency rescue drilling obstacle-removing device are closed to be in a conical shape, so that the emergency rescue drilling obstacle-removing device can easily cross an obstacle, clockwise rotation torque is applied to a torque transmission drill rod by using rear-end drilling machine equipment, the rotating main shaft 3 is driven to rotate, a threaded block 52 which is arranged on the rotating main shaft 3 through threads is driven to move forwards, a supporting rod 54 is enabled to be in a vertical state, the 4 supporting claws 53 are driven to support and expand the obstacle outside a drilling track, and the rear-end drilling machine equipment is used for pushing the steel sheath 1 to cross the obstacle;
and step three, in the withdrawal state, the emergency rescue drilling obstacle removing device is driven to rotate anticlockwise by using the torque transmission drill rod, so that the threaded blocks 52 on the threaded installation rotating main shaft 3 move backwards, the 4 expanding claws 53 which are expanded are contracted, and the emergency rescue drilling obstacle removing device is driven to withdraw by using the torque transmission drill rod.
After the emergency rescue drilling obstacle-removing device is withdrawn, the drilling tool and the drill bit can be used again for drilling.
The foregoing is merely exemplary of the present invention, and many variations may be made in the specific embodiments and application scope of the invention by those skilled in the art based on the spirit of the invention, as long as the variations do not depart from the gist of the invention.
Claims (8)
1. The utility model provides an emergent rescue drilling obstacle-removing device, peg graft in inside steel sheath (1), its characterized in that: the novel torque transmission device comprises a main shaft base (2), wherein a rotary main shaft (3) is integrally formed at the outer end of the main shaft base (2), a torque transmission drill rod is arranged at the inner end of the main shaft base (2), threads are formed at the outer end of the outer wall of the rotary main shaft (3), a supporting mechanism base (4) is sleeved at the inner end of the outer wall of the rotary main shaft (3), a supporting mechanism (5) is fixedly arranged on the outer surface of the supporting mechanism base (4), a torque transmission disc (6) is arranged at the inner end of the outer wall of the main shaft base (2), a sheath (7) inserted into the steel sheath (1) is fixedly arranged on the outer wall of the torque transmission disc (6) through screws, and the supporting mechanism (5) is positioned in the sheath (7);
the expanding mechanism (5) comprises an expanding seat (51), a thread block (52), an expanding claw (53) and a supporting rod (54), wherein the expanding seat (51) is fixedly arranged on the outer surface of the expanding mechanism base (4), the expanding claw (53) is rotationally assembled on the expanding seat (51), the thread block (52) is in threaded connection with a thread of the rotating main shaft (3), and two ends of the supporting rod (54) are respectively hinged to a hinging seat of the thread block (52) and the inner wall of the expanding claw (53).
2. An emergency rescue drilling obstacle evacuation device as claimed in claim 1 wherein: the steel sheath (1) inner wall outer end even integrated into one piece has circular arc protruding (8), the outer wall integrated into one piece of the claw that struts (53) has spacing arch (531), circular arc protruding (8) are located the coplanar with spacing arch (531), and the rotation track of spacing arch (531) coincides with circular arc protruding (8), the inside and outside both sides of circular arc protruding (8) all process the chamfer.
3. An emergency rescue drilling obstacle evacuation device as claimed in claim 1 wherein: the outer surface of the expanding seat (51) is uniformly provided with expanding claw mounting grooves (511), the inner wall of each expanding claw mounting groove (511) is provided with an expanding claw pin shaft (512), and the inner ends of the expanding claws (53) are hinged to the expanding claw pin shafts (512).
4. An emergency rescue drilling obstacle evacuation device as claimed in claim 1 wherein: the inner wall of the sheath (7) is uniformly and integrally formed with an arc-shaped limiting plate (10), and an arc-shaped stepped groove (513) corresponding to the arc-shaped limiting plate (10) is formed in the outer end of the supporting seat (51).
5. An emergency rescue drilling obstacle evacuation device as claimed in claim 1 wherein: the outer wall integrated into one piece of sheath (7) has annular arch, and annular bellied outer wall has seted up helicla flute (9), and the spiral direction of helicla flute (9) is left-handed, the screw of rotatory main shaft (3) is revolved to left-handed.
6. An emergency rescue drilling obstacle evacuation device as claimed in claim 1 wherein: spline grooves are formed in the outer wall of the inner end of the main shaft base (2), and splines (11) matched with the spline grooves are formed in the torque transmission disc (6).
7. An emergency rescue drilling obstacle evacuation device as claimed in claim 1 wherein: the outer wall of the rotary main shaft (3) is fixedly provided with a blocking sleeve (12) through a screw, and threads of the opening mechanism base (4) and the rotary main shaft (3) are respectively positioned on two sides of the blocking sleeve (12).
8. A method for using an emergency rescue drilling obstacle-removing device, which uses the emergency rescue drilling obstacle-removing device as claimed in any one of claims 1 to 7, and specifically comprises the following steps:
step one, in a pushing state, connecting an emergency rescue drilling obstacle-removing device to the front end of a torque transmission drill rod, simultaneously ensuring that a spreading claw (53) is in a closed state, then driving by using rear-end drilling equipment, and pushing the emergency rescue drilling obstacle-removing device to the front end of a steel sheath (1) in a counterclockwise rotation mode, wherein the rotating sheath (7) guides and discharges mudstone slag in the inner cavity of the steel sheath (1) to the rear end of the emergency rescue drilling obstacle-removing device through a spiral groove (9) outside the rotating sheath;
when the emergency rescue drilling obstacle-removing device moves to the front end of the steel sheath (1), 4 supporting claws (53) at the front end of the emergency rescue drilling obstacle-removing device are closed to be in a conical shape, so that the emergency rescue drilling obstacle-removing device can easily cross an obstacle, a clockwise rotation torque is applied to a torque transmission drill rod by using rear-end drilling machine equipment, the rotating main shaft (3) is driven to rotate, a threaded block (52) which is arranged on the rotating main shaft (3) through threads moves forwards, a supporting rod (54) is enabled to be in a vertical state, the supporting claws (53) are driven to support and expand the obstacle outside a drilling track, and the steel sheath (1) is pushed into the obstacle by using the rear-end drilling machine equipment, so that the obstacle can be crossed;
and step three, in a withdrawal state, the emergency rescue drilling obstacle removing device is driven to rotate anticlockwise by using the torque transmission drill rod, so that a threaded block (52) on the threaded installation rotary main shaft (3) moves backwards, 4 spread jaws (53) spread are contracted, and the emergency rescue drilling obstacle removing device is driven to withdraw by using the torque transmission drill rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310638729.0A CN116677399A (en) | 2023-06-01 | 2023-06-01 | Emergency rescue drilling obstacle-removing device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310638729.0A CN116677399A (en) | 2023-06-01 | 2023-06-01 | Emergency rescue drilling obstacle-removing device and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116677399A true CN116677399A (en) | 2023-09-01 |
Family
ID=87784813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310638729.0A Pending CN116677399A (en) | 2023-06-01 | 2023-06-01 | Emergency rescue drilling obstacle-removing device and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116677399A (en) |
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2023
- 2023-06-01 CN CN202310638729.0A patent/CN116677399A/en active Pending
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