CN113006708A - Slurry unidirectional flow drilling and grouting integrated drill rod and construction method - Google Patents
Slurry unidirectional flow drilling and grouting integrated drill rod and construction method Download PDFInfo
- Publication number
- CN113006708A CN113006708A CN202110192598.9A CN202110192598A CN113006708A CN 113006708 A CN113006708 A CN 113006708A CN 202110192598 A CN202110192598 A CN 202110192598A CN 113006708 A CN113006708 A CN 113006708A
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- pipe
- drilling
- slurry
- grouting
- inner pipe
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/18—Pipes provided with plural fluid passages
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
Abstract
The invention discloses a slurry unidirectional flow drilling and grouting integrated drill rod and a construction method thereof, wherein the drill rod comprises an outer pipe, an inner pipe and a slurry stopping flange, wherein one end of the outer pipe is connected with a drill bit, and the other end of the outer pipe is connected with the upper section of the outer pipe; an inner pipe is arranged in the outer pipe, one end of the inner pipe is connected with the grouting head, and the other end of the inner pipe is connected with the upper section of drill pipe inner pipe; and a grout stopping flange is arranged between the inner pipe and the outer pipe, the inner ring of the grout stopping flange is matched with the inner pipe, and the outer ring of the grout stopping flange is matched with the outer pipe, so that the inner pipe and the outer pipe are sealed.
Description
Technical Field
The invention relates to the field of grouting, reinforcing, seepage-proofing and water plugging of underground engineering such as mines, traffic, water conservancy and hydropower, and particularly relates to a drilling and grouting integrated drill rod with unidirectional flowing slurry and a use method.
Background
In underground geotechnical engineering such as mines, traffic, water conservancy and hydropower, water-rich weak strata are frequently encountered, and if the water-rich weak strata are not effectively treated, disasters such as collapse, water inrush, mud inrush and the like are often caused, and grouting is an effective method for reinforcing the soft strata and plugging underground water.
Drilling and grouting integrated grouting has the advantages that compared with common grouting, the grouting pipe does not need to be poured after drilling, hole collapse is reduced, the slurry diffusion range is more uniform, and the grouting effect is better. The existing drilling and injection integrated device is lack of a sealing device between an outer pipe and an inner pipe of a drill rod, so that drilling liquid or muddy water can flow back along a gap between the pipes in the drilling process; during the slip casting, the thick liquid equally can flow back along the intertube gap, especially when slip casting material is two kinds of mixed rapid hardening class materials, in engineering intermittent type or work progress thick liquids return thick liquid to the drilling rod, stifled pipe and damage construction equipment after the rapid hardening, seriously influence the integrative device of brill notes and use, reduce equipment life, and the thick liquid that stays in the drilling rod solidifies fast, tightly depends on at the pipe wall, can't effectively clear up.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a slurry unidirectional flow drilling and grouting integrated drill rod and a use method thereof; the device can realize that the slip casting construction bores integrative drilling rod inner seal of notes, prevents that the rapid hardening thick liquid from mixing and returning thick liquid stifled pipe, has greatly protected drilling rod and construction equipment, and convenient clearance saves work load, and has advantages such as the dismouting is simple, the leakproofness is good, simple structure, repeatedly usable, safe and reliable.
The invention aims to provide a slurry unidirectional flow drilling and injecting integrated drill rod device which is particularly suitable for injecting two mixed quick setting materials and preventing quick setting slurry from being mixed and returning to a slurry and blocking a pipe, and the invention adopts the following technical scheme for achieving the purpose:
a drilling and grouting integrated drill rod device with unidirectional flowing of slurry comprises an outer pipe, an inner pipe and a slurry stopping flange, wherein one end of the outer pipe is connected with a drill bit, and the other end of the outer pipe is connected with the upper section of the outer pipe; an inner pipe is arranged in the outer pipe, one end of the inner pipe is connected with the grouting head, and the other end of the inner pipe is connected with the upper section of drill pipe inner pipe; and a grout stopping flange is arranged between the inner pipe and the outer pipe, the inner ring of the grout stopping flange is matched with the inner pipe, and the outer ring of the grout stopping flange is matched with the outer pipe, so that the inner pipe and the outer pipe are sealed. The grout stopping flange can fix the inner pipe and the outer pipe and can be used for preventing grout from returning into a drill rod in engineering intermittence or construction process.
As a further technical scheme, a one-way valve is arranged in the grouting head and used for preventing drilling liquid or grout from flowing back along the inner pipe during drilling and grouting.
As a further technical scheme, the grout stopping flange is in threaded fit with the inner pipe, and the grout stopping flange is in threaded fit with the outer pipe; the drill bit is connected with the outer pipe through threads; the grouting head is connected with the inner pipe through threads.
As a further technical scheme, a sealing washer is arranged behind the slurry stopping flange and is made of aramid washers or low-cost rubber washers.
As a further technical scheme, the slurry stopping flange is made of stainless steel or galvanized steel.
In a second aspect, a second object of the present invention is to provide a method for performing construction by using a slurry unidirectional flow drilling and grouting integrated drill rod, comprising the following steps:
placing the sealing gaskets of the inner pipe and the outer pipe into a preset position in the drill rod;
inserting the working end of a wrench into a wrench force application hole in the grout stopping flange, rotating a cross handle of the hand wrench to install the grout stopping flange in the drill rod, and extruding the sealing washer to a proper position;
connecting the grouting head with the inner pipe of the drill rod;
connecting a drill bit with the outer pipe of the drill rod;
drilling at a preset position according to a design angle, starting drilling, and injecting drilling fluid from an inner pipe; stopping drilling when the designed hole depth is reached, lifting the drill rod to a preset depth, and injecting slurry from the inner pipe; after grouting, checking the front end of the drill rod, and flushing when needed; and repeating the steps to carry out drilling and grouting construction of the next grouting hole.
The invention has the beneficial effects that:
1. the drilling and grouting integrated drill rod is internally provided with the grout stopping flange which is not only in sealing threaded connection, but also is provided with the sealing washer, so that grout, water, silt, drilling fluid and the like can not flow back into the drill rod, equipment is protected, the service life of the equipment is prolonged, and the sealing washer can play a role in protecting by only sealing threaded connection even if the sealing washer is damaged after being used for too long.
2. All connections of the device are in threaded mechanical connection, the dismounting process is extremely convenient, the grout stopping flange is dismounted by using a matched wrench, the structure is simple, the processing is easy, and the device is not easy to damage.
3. The device can realize the internal sealing of the drilling and grouting integrated drill rod in grouting construction, prevent rapid hardening slurry from mixing and flowing back to block the pipe, greatly protect the drill rod and construction equipment, is convenient to clean, saves workload, and has the advantages of simple disassembly and assembly, good sealing property, simple structure, reusability, safety, reliability and the like.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural view of a slurry unidirectional flow drilling and grouting integrated drill pipe of the present invention;
FIG. 2 is a schematic structural view of a grout stopping flange of the present invention;
FIG. 3 is a schematic view of a stop flange spanner of the present invention;
in the figure: the spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only. 1. A drill bit; 2. the drill bit is mechanically connected with the outer pipe; 3. a grouting head; 4. an inner tube check valve; 5. the grouting head is mechanically connected with the inner pipe; 6. an inter-pipe grout stopping flange; 7. a wrench force application hole; 8. the slurry stopping flange is connected with the inner pipe; 9. the slurry stopping flange is connected with the outer pipe; 10. an inner tube sealing gasket; 11. an outer tube sealing gasket; 12. an inner tube; 13. an outer tube; 14. a wrench cross handle; 15. a spanner triangular truss; 16. the spanner working end.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
the terms "mounted", "connected", "fixed", and the like in the present invention are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
As described in the background technology, the defects in the prior art are overcome, and in order to solve the technical problems, the invention provides a slurry unidirectional flow drilling and grouting integrated drill rod and a use method thereof. The drilling and grouting integrated drill rod with unidirectional flowing of slurry can realize internal sealing of the drilling and grouting integrated drill rod in grouting construction, prevent rapid hardening slurry from mixing and flowing back to block a pipe, greatly protect the drill rod and construction equipment, is convenient to clean, saves workload, and has the advantages of simplicity in disassembly and assembly, good sealing performance, simple structure, reusability, safety, reliability and the like.
In a typical embodiment of the present invention, as shown in fig. 1 and fig. 2, the present embodiment discloses a slurry unidirectional flow drilling and grouting integrated drill rod, which includes a drill rod outer tube 13, wherein one end of the drill rod outer tube 13 is mechanically connected to a drill bit 1 in a sealing manner, and the other end is connected to the previous drill rod outer tube; an inner pipe 12 is arranged in the drill rod, one end of the inner pipe 12 is in sealed mechanical connection with the grouting head 3, and the other end of the inner pipe 12 is connected with the inner pipe of the previous section of drill rod and is used for injecting drilling liquid during drilling or injecting slurry during grouting; the grouting head 3 is internally provided with a one-way valve 4 for preventing drilling liquid or grout from flowing back along the inner pipe during drilling and grouting. A grout stopping flange 6, a sealing washer 10 and a sealing washer 11 are further arranged in the drill rod and used for preventing grout from returning to the space between the inner pipe and the outer pipe of the drill rod in the engineering intermittence or the construction process; the slurry stopping flange 6 is in sealed mechanical connection with the joint of the inner pipe 12 and is in sealed mechanical connection with the joint of the outer pipe 13.
In the present embodiment, the sealing mechanical connection is a threaded connection, specifically, the outer pipe 13 is in a threaded connection with the drill bit 1, the inner pipe 12 is in a threaded connection with the grouting head 3, and the grout stopping flange 6 is also in a threaded connection with the outer pipe and the inner pipe. Threaded connection has not only guaranteed certain leakproofness, still makes the dismouting process extremely convenient, ends the thick liquid flange and uses supporting spanner to dismantle, and simple structure workable is not fragile. Furthermore, the threads on the inner pipe and the outer pipe are right-handed, and the threads on the grout stopping flange, the grouting head and the drill bit are left-handed.
As shown in fig. 2, a wrench force application hole 7 is further formed in a side surface of the grout stopping flange 6, and the wrench force application hole 7 is used for being matched with a wrench.
The structure of the wrench is shown in fig. 3, and the wrench comprises a wrench cross handle 14, a wrench triangular truss 15 and a wrench working end 16, wherein the wrench cross handle 14 is fixedly connected with the wrench triangular truss 15, and preferably, for convenience of force application, the wrench cross handle 14 and the wrench triangular truss 15 are welded together; further, spanner triangle truss 15 and three spanner work end 16 welding, the relative position between three spanner work end 16 is unanimous with the position of the spanner application of force hole 7 on the flange 6 that ends, inserts spanner work end 16 and ends spanner application of force hole 7 on the flange that ends, and handheld spanner cross handle 14 is rotatory, and the moment of torsion is transmitted to only starching the flange through spanner triangle truss 15, alright carry out the dismouting. The slurry stopping flange can be fixed in the drill rod through the wrench, the slurry stopping flange fully ensures that slurry, water, sludge, drilling fluid and the like can not flow back to enter the drill rod, so that equipment is protected, the service life of the equipment is prolonged, and even if the sealing washer is damaged due to overlong service time, the sealing threaded connection can play a role in protecting.
Furthermore, in this embodiment, a sealing washer is disposed behind the slurry stopping flange 6, and the sealing washer may be made of an aramid washer or a low-cost rubber washer.
Furthermore, in this embodiment, the grout stopping flange 6 is made of stainless steel or galvanized steel to prevent rusting.
Furthermore, the section of drill rod is fixedly connected with the previous section of drill rod through a drill rod joint.
The invention has no influence on the drilling and grouting integrated grouting step basically, and aims to prevent two mixed rapid hardening material engineering intermittence or the construction process from returning slurry into a drill rod, blocking a pipe after rapid hardening and damaging construction equipment.
The present invention will be further described with reference to the following examples.
Placing the sealing gaskets of the inner pipe and the outer pipe into a preset position in the drill rod;
inserting the working end of a wrench into a wrench force application hole in the grout stopping flange, rotating a cross handle of the hand wrench to install the grout stopping flange in the drill rod, and extruding the sealing washer to a proper position;
connecting the grouting head with the inner pipe of the drill rod;
connecting a drill bit with the outer pipe of the drill rod;
drilling at a preset position according to a design angle, starting drilling, and injecting drilling fluid from an inner pipe; when the designed hole depth is reached, stopping drilling, lifting the drill rod to a preset depth, and injecting slurry into the hole from the inner pipe, wherein the drill bit in the embodiment is provided with slurry outlet holes for discharging slurry; after grouting, checking the front end of the drill rod, and flushing when needed; repeating the steps, and drilling and grouting construction of the next grouting hole;
the disassembly steps are completely opposite to the installation steps, and the disassembly sequence comprises a drill bit, a grouting head, a grout stopping flange and a sealing washer.
Finally, it is also noted that relational terms such as first and second, and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A drilling and grouting integrated drill rod device with unidirectional flowing slurry is characterized by comprising an outer pipe, an inner pipe and a slurry stopping flange, wherein one end of the outer pipe is connected with a drill bit, and the other end of the outer pipe is connected with the upper section of the outer pipe; an inner pipe is arranged in the outer pipe, one end of the inner pipe is connected with the grouting head, and the other end of the inner pipe is connected with the upper section of drill pipe inner pipe; and a grout stopping flange is arranged between the inner pipe and the outer pipe, the inner ring of the grout stopping flange is matched with the inner pipe, and the outer ring of the grout stopping flange is matched with the outer pipe, so that the inner pipe and the outer pipe are sealed.
2. The apparatus as claimed in claim 1, wherein a one-way valve is provided in the grouting head for preventing the drilling fluid or the grout from flowing back along the inner pipe during drilling and grouting.
3. The integrated slurry unidirectional flow drilling and injecting drill rod device as recited in claim 1, wherein the slurry stopping flange is in threaded engagement with the inner pipe, and the slurry stopping flange is in threaded engagement with the outer pipe.
4. The integrated drilling rod device for unidirectional slurry flow drilling and injecting of claim 1, wherein a sealing gasket is further arranged behind the slurry stopping flange.
5. The integrated slurry unidirectional-flow drilling and injecting drill rod device as recited in claim 4, wherein the sealing washer is made of aramid washer or rubber washer.
6. The integrated drilling rod device for unidirectional slurry flow drilling and grouting as claimed in claim 1, wherein a wrench force application hole is further formed in the end face of the slurry stopping flange.
7. The integrated drill pipe device for unidirectional slurry flow drilling and grouting according to claim 1, wherein the slurry stopping flange is made of stainless steel or galvanized steel.
8. The apparatus as claimed in claim 1, wherein the drill bit is connected to the outer pipe by a screw.
9. The apparatus as claimed in claim 1, wherein the grouting head is connected with the inner pipe by screw thread.
10. The method for construction by using the slurry unidirectional flow drilling and grouting integrated drill pipe device as claimed in any one of claims 1 to 9,
placing the sealing gaskets of the inner pipe and the outer pipe into a preset position in the drill rod;
inserting the working end of a wrench into a wrench force application hole in the grout stopping flange, rotating a cross handle of the hand wrench to install the grout stopping flange in the drill rod, and extruding the sealing washer to a proper position;
connecting the grouting head with the inner pipe of the drill rod;
connecting a drill bit with the outer pipe of the drill rod;
drilling at a preset position according to a design angle, starting drilling, and injecting drilling fluid from an inner pipe; stopping drilling when the designed hole depth is reached, lifting the drill rod to a preset depth, and injecting slurry from the inner pipe; after grouting, checking the front end of the drill rod, and flushing when needed; and repeating the steps to carry out drilling and grouting construction of the next grouting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110192598.9A CN113006708B (en) | 2021-02-20 | 2021-02-20 | Slurry unidirectional flowing drilling and grouting integrated drill rod and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110192598.9A CN113006708B (en) | 2021-02-20 | 2021-02-20 | Slurry unidirectional flowing drilling and grouting integrated drill rod and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN113006708A true CN113006708A (en) | 2021-06-22 |
| CN113006708B CN113006708B (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110192598.9A Active CN113006708B (en) | 2021-02-20 | 2021-02-20 | Slurry unidirectional flowing drilling and grouting integrated drill rod and construction method |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076980A (en) * | 1993-02-23 | 1993-10-06 | 何庆林 | Helical driller for concrete perfusion |
| JPH06257379A (en) * | 1993-03-08 | 1994-09-13 | Japan Found Eng Co Ltd | Drilling method for tunnel and the like |
| CN1439776A (en) * | 2003-01-15 | 2003-09-03 | 刘润郊 | Method and apparatus for pile making by boring and pumping mass concrete and rotation jetting slurry |
| CN201843513U (en) * | 2010-11-07 | 2011-05-25 | 山东浩珂矿业工程有限公司 | Double-liquid grouting pipe |
| CN102678040A (en) * | 2012-05-11 | 2012-09-19 | 天地科技股份有限公司 | Drilling device and method for baseplate in coal mine roadway |
| CN208605213U (en) * | 2018-08-30 | 2019-03-15 | 成都现代万通锚固技术有限公司 | A kind of concertina type grouted anchor bar |
| CN110259383A (en) * | 2019-07-04 | 2019-09-20 | 山东大学 | A kind of protrusive bores note integrated device and application method |
| CN209704589U (en) * | 2019-03-25 | 2019-11-29 | 无锡市安曼工程机械有限公司 | Two fluid grouting drilling rod |
| CN110644934A (en) * | 2019-11-18 | 2020-01-03 | 中铁电气化局集团有限公司 | Advanced grouting drill rod |
| CN112031655A (en) * | 2020-08-21 | 2020-12-04 | 中煤科工集团西安研究院有限公司 | Drilling tool combining water jet reaming and local grouting and hole fixing process method |
-
2021
- 2021-02-20 CN CN202110192598.9A patent/CN113006708B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076980A (en) * | 1993-02-23 | 1993-10-06 | 何庆林 | Helical driller for concrete perfusion |
| JPH06257379A (en) * | 1993-03-08 | 1994-09-13 | Japan Found Eng Co Ltd | Drilling method for tunnel and the like |
| CN1439776A (en) * | 2003-01-15 | 2003-09-03 | 刘润郊 | Method and apparatus for pile making by boring and pumping mass concrete and rotation jetting slurry |
| CN201843513U (en) * | 2010-11-07 | 2011-05-25 | 山东浩珂矿业工程有限公司 | Double-liquid grouting pipe |
| CN102678040A (en) * | 2012-05-11 | 2012-09-19 | 天地科技股份有限公司 | Drilling device and method for baseplate in coal mine roadway |
| CN208605213U (en) * | 2018-08-30 | 2019-03-15 | 成都现代万通锚固技术有限公司 | A kind of concertina type grouted anchor bar |
| CN209704589U (en) * | 2019-03-25 | 2019-11-29 | 无锡市安曼工程机械有限公司 | Two fluid grouting drilling rod |
| CN110259383A (en) * | 2019-07-04 | 2019-09-20 | 山东大学 | A kind of protrusive bores note integrated device and application method |
| CN110644934A (en) * | 2019-11-18 | 2020-01-03 | 中铁电气化局集团有限公司 | Advanced grouting drill rod |
| CN112031655A (en) * | 2020-08-21 | 2020-12-04 | 中煤科工集团西安研究院有限公司 | Drilling tool combining water jet reaming and local grouting and hole fixing process method |
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| Publication number | Publication date |
|---|---|
| CN113006708B (en) | 2022-10-11 |
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