CN107401388B - Drilling machine stuck drill processing device and method - Google Patents
Drilling machine stuck drill processing device and method Download PDFInfo
- Publication number
- CN107401388B CN107401388B CN201710769844.6A CN201710769844A CN107401388B CN 107401388 B CN107401388 B CN 107401388B CN 201710769844 A CN201710769844 A CN 201710769844A CN 107401388 B CN107401388 B CN 107401388B
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- drill
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- 238000005553 drilling Methods 0.000 title claims abstract description 47
- 238000012545 processing Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title abstract description 21
- 238000003672 processing method Methods 0.000 claims abstract description 6
- 239000011435 rock Substances 0.000 claims description 53
- 239000002184 metal Substances 0.000 claims description 22
- 239000002893 slag Substances 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 27
- 239000010959 steel Substances 0.000 description 27
- 239000000463 material Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000004575 stone Chemical group 0.000 description 1
- 238000005728 strengthening 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- 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 application discloses a drilling machine stuck drill processing device and a drilling machine stuck drill processing method, which are suitable for the field of bridge pile foundation drilling construction. The application effectively avoids the damage to the hole wall and the damage to the drilling machine in the process of processing the stuck drill; the time of the drill sticking treatment is shortened as much as possible, and the work efficiency is improved; unnecessary manpower and equipment investment are reduced, and the treatment cost is saved.
Description
Technical Field
The application belongs to the field of bridge pile foundation drilling construction, and particularly relates to a rotary drilling machine drilling clamping treatment.
Background
1. The traditional rotary drilling machine stuck drill treatment measures:
1) Broken salvaging method
Firstly, breaking a drill bit and a drill rod (generally blasting breaking and mechanical breaking) and then reaming the bottom of the drill bit by adopting a special sleeve to drill the drill bit, and then carrying out bottom fishing, which is a common method.
2) Powerful lifting method
The lifting force of the jack or the on-site floating crane matched with the drilling machine is adopted to lift the drill rod of the drilling machine, so that the drill bit is put forward, and the problem of drill sticking is solved.
3) Slag sucking method for steel pipe
The small steel pipe is connected with the external air pipe, is placed at the drill clamping position, and is used for disturbing the precipitated sand and stone fragments through repeated insertion, and the reverse circulation slag suction is carried out through the external air pipe, so that the rock at the drill clamping position is crushed, and the drill clamping problem is solved.
2. Limitations of conventional treatment measures:
the problem of sticking can be solved by the traditional treatment measures. But there are several limitations:
1) The broken salvaging method is a general method for processing the stuck drill, but the time consumption is long, the phenomenon of reaming is serious due to bottom salvaging, the hole wall is damaged, and secondary accidents are easy to occur.
2) The strong lifting method is generally suitable for loose layer geological drilling hammers, and is easy to cause the breakage of drill rod connecting bolts under the condition of serious drilling sticking, thereby aggravating accidents.
3) The steel pipe slag sucking method can solve the problem of stuck drilling, but is limited by the diameter of the steel pipe, and sand fragments smaller than the diameter of the steel pipe can be removed, so that the method is only suitable for stuck drilling of a small-diameter drilling machine, and cannot solve the problem of stuck drilling of a large-diameter pile foundation.
Disclosure of Invention
The application aims at: the drilling machine stuck drill processing device and the drilling machine stuck drill processing method are provided, so that damage to the hole wall in the process of processing stuck drill is avoided, and the drilling machine is damaged; the time of drilling clamping treatment is shortened as much as possible, and the work efficiency is improved; unnecessary manpower and equipment investment are reduced, and the treatment cost is saved.
The aim of the application is achieved by the following technical scheme:
the drilling machine stuck drill treatment device comprises a rock breaker, a drill rod, a connecting piece and a guide sleeve, wherein the bottom of the drill rod is detachably connected with the connecting piece, the rock breaker and the guide sleeve are fixedly connected to the two ends of the connecting piece, the inner diameter of the guide sleeve is larger than the outer diameter of the drill rod of the stuck drill machine, the guide sleeve can be sleeved on the drill rod of the stuck drill machine to move up and down, the moving direction of the guide sleeve is parallel and level to the rock breaking direction of the rock breaker, and the distance between the guide sleeve and the drill rod is equal to the distance from the drill rod of the stuck drill machine to the drill bit side; the rock breaker comprises two arc-shaped metal plates and metal wire brushes, wherein the bottoms of the arc-shaped metal plates are in a pointed cone shape and are provided with the metal wire brushes, the two arc-shaped metal plates take a drill rod of a drilling machine as an axis and are spaced in parallel by a certain distance, and the edges of the two sides of the two arc-shaped metal plates are fixedly sealed to form a slurry circulation channel which penetrates up and down.
In the application, two arc-shaped metal plates are fixedly (such as welding) in a sealing way, a certain interval is reserved between the two arc-shaped metal plates, the upper part and the lower part are not sealed, and a channel which is penetrated from top to bottom is formed as a mud circulation channel; cutting the bottom opening into a pointed cone shape after the welding of the two arc-shaped metal plates is finished, crushing rock, and adding a metal wire brush at the bottom for disturbing sediment; the flange plate is welded at the top end of the connecting piece and used for connecting a drill rod for lowering; and the outer side of the connecting piece is welded with a guide sleeve, and is sleeved on the drill rod of the original drilling machine as a guide. The tool has the advantages of less required materials, simple structure, quick manufacture, available local materials on the construction site and reduced unnecessary material waste.
Optionally, a reinforcement member is coupled between the two sides of the arcuate metal plate. In this scheme, the reinforcement is used for strengthening the arc metal sheet.
Alternatively, the connecting piece includes ring flange and connecting rod, and fixed broken rock ware of connecting rod both ends connection and guide sleeve, connecting rod top and ring flange are connected fixedly, and the ring flange can be dismantled with the drilling rod bottom and be connected.
The drilling machine stuck drill processing method adopting the drilling machine stuck drill processing device sequentially comprises the following steps of:
1) After the guide sleeve is sleeved on the drill rod of the original stuck drill by adopting a crane, connecting the drill rod of the stuck drill treatment device of the drill with a flange plate at the top of the rock breaker, and lowering the drill rod of the stuck drill;
2) When the rock breaker is lowered to the stuck drill position, the crane lifts and lowers the rock breaker through the drill rod of the drill stuck drill processing device of the drilling machine, and the sandstone at the stuck drill position is crushed by utilizing the impact force generated by the self weight of the rock breaker; the broken sandstone is subjected to forward circulation scum through an opening at the bottom of a mud circulation channel on the rock breaker, and then is subjected to reverse circulation suction through a drill rod of an original stuck drill, until the rock breaker reaches the bottom of a drill bit;
3) After the rock breaker reaches the bottom of the drill bit, circulating for a period of time, after the broken rock slag is fully removed, lifting the broken rock slag, then selecting another place around the periphery of the hole wall of the well hole, and breaking the rock according to the step 2;
4) Because the rock breaker is of an arc-shaped structure, the rock breaker needs to be sequentially lowered for a plurality of times around the periphery of the hole wall until the rock at the drill clamping position around the drill bit is completely broken;
5) After the above steps are completed, the drill bit can be lifted, if the drill bit cannot be lifted, the steps 2) to 4) are repeated for several times.
The foregoing inventive subject matter and various further alternatives thereof may be freely combined to form a plurality of alternatives, all of which are employable and claimed herein; and the application can be freely combined between the (non-conflicting choices) choices and between the choices and other choices. Various combinations will be apparent to those skilled in the art from a review of the present disclosure, and are not intended to be exhaustive or all of the present disclosure.
The application has the beneficial effects that:
1) The disturbance in the borehole is reduced, and the secondary accident in the treatment process is stopped:
compared with a broken salvaging method, the tool does not need to cut off a drill rod, does not need to additionally increase a bottom pocket overshot drill, reduces unnecessary waste, basically has no disturbance to the hole wall, does not generate reaming phenomenon, and avoids secondary accidents in the bottom pocket salvaging process.
2) The drilling time is saved, the work efficiency is increased, and the engineering progress is accelerated:
the tool is simple in manufacture and convenient to operate, and compared with the preparation time required by a breaking salvage method, the breaking time of a drill rod and the drilling and salvage time of a barrel drill, the processing time is greatly reduced, the work efficiency is improved, and the convenience of construction is provided.
3) The potential safety hazard existing in the drilling sticking treatment process is reduced:
compared with the traditional processing method, the drill sticking processing tool has no high risk of underwater cutting, drill rod fracture and the like, and all the construction can be completed by only one crane, so that the processing risk is greatly reduced.
Drawings
FIG. 1 is a schematic plan view of an embodiment of the present application;
FIG. 2 is a schematic elevational view of an embodiment of the present application;
FIG. 3 is a schematic side elevational view of FIG. 2;
FIG. 4 is a flow chart of a method of drill sticking processing of the present application;
FIG. 5 is a schematic view showing the state of the embodiment of the present application lowered to the stuck position;
FIG. 6 is a schematic view showing the breaking of rock at a stuck bit position according to an embodiment of the present application;
FIG. 7 is a schematic diagram showing the state of pulling out after the completion of the breaking according to the embodiment of the present application;
in the figure, 1 is an arc-shaped steel plate, 2 is a flange plate, 3 is a guide sleeve, 4 is a drill rod, 5 is a connecting rod, 6 is a reinforcing piece and 7 is a mud circulation channel.
Detailed Description
The following non-limiting examples illustrate the application.
Referring to fig. 1-3, a drilling machine stuck drill processing device comprises a rock breaker, a drill rod 4, a connecting piece and a guide sleeve 3, wherein the connecting piece is detachably connected to the bottom of the drill rod 4, the two ends of the connecting piece are connected and fixed with the rock breaker and the guide sleeve 3, the inner diameter of the guide sleeve 3 is larger than the outer diameter of a drill rod of a stuck drill, the guide sleeve 3 can be sleeved on the drill rod of the stuck drill to move up and down, the moving direction of the guide sleeve 3 is flush with the rock breaking direction of the rock breaker, the rock breaker can break along with the movement of the guide sleeve 3, and the distance between the two is equal to the distance from the drill rod of the stuck drill to the drill bit edge, so that the rock breaker can be exactly positioned at the stuck drill position of a drill bit and a well wall; the rock breaker comprises two arc-shaped metal plates, preferably arc-shaped steel plates 1, and a wire brush, preferably a wire brush, and further comprises a reinforcement 6 connected between the two sides of the arc-shaped steel plates 1. The bottoms of the arc-shaped steel plates 1 are in a pointed cone shape and are provided with metal wire brushes, the two arc-shaped steel plates 1 take a drill rod of a drilling machine as an axis and are parallel at a certain distance, and the edges of the two sides of the two arc-shaped steel plates 1 are fixedly sealed to form a mud circulation channel 7 which is penetrated up and down. The connecting piece includes ring flange 2 and connecting rod 5, and fixed arc steel sheet 1 and guide sleeve 3 are connected at connecting rod 5 both ends, and the connecting rod 5 top is fixed with ring flange 2 connection, and ring flange 2 can be dismantled with the drilling rod 4 bottom and be connected.
Alternatively, the arc-shaped metal plates are arc-shaped steel plates 1, two arc-shaped steel plates 1 are welded into a hollow whole, the middle part of the arc-shaped steel plates is used as a slurry circulation channel 7, the arc-shaped steel plates 1 and the guide sleeve 3 are welded into a whole through a connecting rod 5, and the length of the connecting rod 5 is the difference between the radius of the drill clamping bit and the radius of the guide sleeve 3; the flange plate 2 is fixed at the upper end (bolted or welded) of the connecting rod 5, and the diameter of the guide sleeve 3 is larger than the diameter of a drill rod of the drilling machine. When the drill rod is lowered, the guide sleeve 3 is sleeved on the drill rod of the drilling machine, so that no deviation is generated in the lowering process.
As an example, taking pile foundation diameter of 2.5m as an example, in the construction process, due to the existence of inclined hole phenomenon in the hole of the well, the drill bit is blocked at the position of the inclined hole in the lifting process, so that the drill sticking accident occurs, and the drill sticking treatment device of the drilling machine is manufactured as follows:
arc steel plate 1: the arc length is 1.3m, about 1/6 circumference, two blocks are welded into a whole, and a 5cm gap is arranged in the middle and is used as a mud circulation channel 7.
Flange plate 2: for connection of the drill rod 4.
Drill rod 4: about 20cm in diameter, after attachment of the flange 2, for lowering of the tool.
Guide sleeve 3: the diameter is about 85cm, the length is about 2m, and after the drill clamping rod is sleeved, the tool can be accurately lowered to the position of the drill clamping rod along the drill rod without deviation.
The connecting rod piece 5: and has a length of about 81cm and is used for connecting the arc-shaped steel plate 1, the flange plate 2 and the guide sleeve 3.
The drilling machine stuck drill processing method adopting the drilling machine stuck drill processing device is shown with reference to figures 4-7, and sequentially comprises the following steps:
1) After the guide sleeve 3 is sleeved on the drill rod of the original drill clamping machine by adopting a crane, connecting the drill rod 4 of the drill clamping treatment device of the drill clamping machine with the flange plate 2 at the top of the arc-shaped steel plate 1, and then, lowering the drill rod along the drill clamping machine;
2) When the arc-shaped steel plate 1 is lowered to the stuck position, the crane lifts and lowers the arc-shaped steel plate 1 through the drill rod 4 of the drill sticking processing device of the drilling machine, and sandstone at the stuck position is crushed by utilizing impact force generated by self weight of the arc-shaped steel plate; the broken sandstone carries out forward circulation scum through an opening at the bottom of a mud circulation channel 7 on the arc-shaped steel plate 1, and then carries out reverse circulation suction through a drill rod of the original stuck drill, until the arc-shaped steel plate 1 reaches the bottom of a drill bit;
3) After the arc-shaped steel plate 1 reaches the bottom of the drill bit, circulating for a period of time, fully removing broken rock slag, lifting the broken rock slag, then selecting another place around the periphery of the hole wall of the well hole, and breaking the rock according to the step 2;
4) Because the arc-shaped steel plate 1 is of an arc-shaped structure, the arc-shaped steel plate needs to be sequentially lowered for a plurality of times around the periphery of the hole wall until the rock at the drill clamping position around the drill bit is completely crushed;
5) After the above steps are completed, the drill bit can be lifted, if the drill bit cannot be lifted, the steps 2) to 4) are repeated for several times.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (2)
1. The utility model provides a rig card bores processing apparatus which characterized in that: the device comprises a rock breaker, a drill rod, a connecting piece and a guide sleeve, wherein the connecting piece is detachably connected to the bottom of the drill rod, the rock breaker and the guide sleeve are fixedly connected to the two ends of the connecting piece, the inner diameter of the guide sleeve is larger than the outer diameter of the drill rod of the drilling machine, the guide sleeve can be sleeved on the drill rod of the drilling machine to move up and down, the moving direction of the guide sleeve is parallel to the rock breaking direction of the rock breaker, and the distance between the rock breaker and the guide sleeve is equal to the distance from the drill rod of the drilling machine to the drill bit side; the rock breaker comprises two arc-shaped metal plates and metal wire brushes, wherein the bottoms of the arc-shaped metal plates are in a pointed cone shape and are provided with the metal wire brushes, the two arc-shaped metal plates take a drill rod of a drilling machine as an axis and are spaced in parallel by a certain distance, and the edges of the two sides of the two arc-shaped metal plates are fixedly sealed to form a slurry circulation channel which penetrates up and down; the reinforcing piece is connected between the two sides of the arc-shaped metal plate; the connecting piece includes ring flange and connecting rod, and fixed broken rock ware of connecting rod both ends connection and guide sleeve, connecting rod top and ring flange are connected fixedly, and the ring flange can be dismantled with the drilling rod bottom and be connected.
2. A drill sticking processing method using the drill sticking processing device according to claim 1, characterized by comprising the following steps in order:
1) After the guide sleeve is sleeved on the drill rod of the original stuck drill by adopting a crane, connecting the drill rod of the stuck drill treatment device of the drill with a flange plate at the top of the rock breaker, and lowering the drill rod of the stuck drill;
2) When the rock breaker is lowered to the stuck drill position, the crane lifts and lowers the rock breaker through the drill rod of the drill stuck drill processing device of the drilling machine, and the sandstone at the stuck drill position is crushed by utilizing the impact force generated by the self weight of the rock breaker; the broken sandstone is subjected to forward circulation scum through an opening at the bottom of a mud circulation channel on the rock breaker, and then is subjected to reverse circulation suction through a drill rod of an original stuck drill, until the rock breaker reaches the bottom of a drill bit;
3) After the rock breaker reaches the bottom of the drill bit, circulating for a period of time, after the broken rock slag is fully removed, lifting the broken rock slag, then selecting another place around the periphery of the hole wall of the well hole, and breaking the rock according to the step 2;
4) Because the rock breaker is of an arc-shaped structure, the rock breaker needs to be sequentially lowered for a plurality of times around the periphery of the hole wall until the rock at the drill clamping position around the drill bit is completely broken;
5) After the above steps are completed, the drill bit can be lifted, if the drill bit cannot be lifted, the steps 2) to 4) are repeated for several times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710769844.6A CN107401388B (en) | 2017-08-31 | 2017-08-31 | Drilling machine stuck drill processing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710769844.6A CN107401388B (en) | 2017-08-31 | 2017-08-31 | Drilling machine stuck drill processing device and method |
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| Publication Number | Publication Date |
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| CN107401388A CN107401388A (en) | 2017-11-28 |
| CN107401388B true CN107401388B (en) | 2023-08-29 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108894744B (en) * | 2018-08-29 | 2024-05-31 | 中煤特殊凿井有限责任公司 | Device for breaking boulder stuck drill |
| CN112112593A (en) * | 2020-09-28 | 2020-12-22 | 中国十七冶集团有限公司 | Method for processing percussion drill hole-forming buried drill |
| CN114320204B (en) * | 2021-12-31 | 2023-03-21 | 中国水利水电第三工程局有限公司 | Drill jamming treatment method for reverse-pulling hole expanding construction of inclined shaft in unfavorable geological section |
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| CN107401388A (en) | 2017-11-28 |
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Inventor after: Chen Hongbao Inventor after: Zhang Dihua Inventor after: Li Xiaoying Inventor after: Kang Lei Inventor after: Sun Shihui Inventor after: Wu Maoyuan Inventor after: Xu Xinan Inventor after: Wan Jinfa Inventor after: Ci Zhanggao Inventor after: Zhang Peng Inventor after: Tao Shengqiang Inventor after: Ma Huabin Inventor before: Sun Shihui Inventor before: Li Xiaoying Inventor before: Kang Lei Inventor before: Wu Maoyuan Inventor before: Xu Xinan Inventor before: Wan Jinfa Inventor before: Ci Zhanggao Inventor before: Zhang Peng Inventor before: Tao Shengqiang Inventor before: Ma Huabin Inventor before: Zhang Dihua |
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