CN217813341U - Retreating type double-pipeline drilling and grouting drill rod - Google Patents
Retreating type double-pipeline drilling and grouting drill rod Download PDFInfo
- Publication number
- CN217813341U CN217813341U CN202222218564.5U CN202222218564U CN217813341U CN 217813341 U CN217813341 U CN 217813341U CN 202222218564 U CN202222218564 U CN 202222218564U CN 217813341 U CN217813341 U CN 217813341U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- double
- drill rod
- grouting
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a peripheral country rock slip casting of underground works consolidates the field, especially relates to a retreat formula double-circuit drilling slip casting drilling rod. A double-pipeline drill rod inner baffle plate (5) is arranged inside the double-pipeline drill rod (4), the high-pressure grouting pipeline is separated from the high-pressure air pipeline by the double-pipeline drill rod inner baffle plate (5), and a drill rod screw thread (6) is arranged at the tail part of the double-pipeline drill rod (4); the end part of the double-pipeline drill rod (4) comprises a hole expanding drill bit (1); the high-pressure grouting pipeline and the high-pressure air pipeline respectively comprise holes, the hole corresponding to the high-pressure grouting pipeline is a guniting hole (2), and the hole corresponding to the high-pressure air pipeline is an air-jetting hole (3). The grouting reinforcement method can effectively improve the grouting reinforcement effect of the tunnel surrounding rock, reduce the construction time of the original process and greatly improve the grouting reinforcement construction efficiency of the tunnel surrounding rock. The utility model discloses select material and simple structure, simple to operate has improved the wall rock slip casting widely and has consolidated construction work efficiency, gains good work efficiency benefit and quality benefit.
Description
Technical Field
The utility model relates to a peripheral country rock slip casting of underground works consolidates the field, especially relates to a retreat formula double-pipe way drilling slip casting drilling rod.
Background
The high-pressure jet grouting technology belongs to a completely mature technology, and even the current standard is 'hydropower hydraulic engineering high-pressure jet grouting technical specification DLT 5200-2019'; the technology is widely applied to the fields of oil exploitation, geological exploration and the like, and is certainly used in tunnel engineering.
The conventional grouting reinforcement of the tunnel surrounding rock is realized by adopting a mode of drilling first and then grouting, the grouting mode has high requirements for hole forming of the drilled holes and is very easy to collapse, and grouting pipes are installed after the formed holes and are used for grouting, so that the grouting reinforcement work efficiency of the surrounding rock is low, the construction time is prolonged, and the reinforcing effect of the surrounding rock is influenced.
The method takes grouting and double-and drill rod and retreat as abstract keywords to search in a Chinese patent public database, and finds five documents which are respectively: CN113006733A is a deep grouting process of the ground, CN112695754A is a construction method of an underwater anchor rod, CN110872836A is an ultrahigh pressure double-liquid grouting construction method, CN105155541A is a double-liquid closed construction method of a water collecting pit, and CN103266614A is a sectional retreating type double-liquid composite grouting construction method of a deep foundation pit of a sandy cobble stratum.
SUMMERY OF THE UTILITY MODEL
Utility model's purpose: in order to provide a retreating type double-pipeline drilling and grouting drill rod with better effect, the concrete purpose is to see a plurality of substantial technical effects of the concrete implementation part.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a retreating type double-pipeline drilling and grouting drill rod is characterized in that the drill rod is a double-pipeline drill rod 4, a double-pipeline drill rod inner partition plate 5 is arranged inside the double-pipeline drill rod 4, a high-pressure grouting pipeline is separated from a high-pressure air pipeline by the double-pipeline drill rod inner partition plate 5, and a drill rod screw thread 6 is arranged at the tail part of the double-pipeline drill rod 4; the end part of the double-pipeline drill rod 4 comprises a reaming bit 1; the high-pressure grouting pipeline and the high-pressure air pipeline respectively comprise holes, the hole corresponding to the high-pressure grouting pipeline is a guniting hole 2, and the hole corresponding to the high-pressure air pipeline is an air-jetting hole 3.
The utility model discloses a further technical scheme lies in, and whitewashing hole 2 and gushing out wind hole 3 are located reamer bit 1.
The utility model discloses a further technical scheme lies in, and double-pipe way drilling rod 4 contains the multistage and passes through 6 threaded connection of drilling rod screw thread each other.
The utility model discloses a further technical scheme lies in, and whitewashing hole 2 and blast hole 3 are located double-pipe way drilling rod 4.
Adopt above technical scheme the utility model discloses, for prior art have following beneficial effect: the grouting reinforcement effect of the tunnel surrounding rock can be effectively improved, the construction time of the original process is reduced, and the grouting reinforcement construction efficiency of the tunnel surrounding rock is greatly improved. The utility model discloses select material and simple structure, simple to operate has improved surrounding rock slip casting reinforcing construction work efficiency widely, gains good work efficiency benefit and quality benefit.
Drawings
To further illustrate the present invention, the following description is made with reference to the accompanying drawings:
FIG. 1 is a schematic side view of the structure of the utility model;
FIG. 2 is a schematic structural view of the utility model in a top view, namely a structural view of the cross section of a dual-pipe drill rod;
FIG. 3 is a cross-sectional view of a quasi-pile column body during grouting;
FIG. 4 is a schematic diagram of another structure for implementing the present invention;
wherein: 1. a hole expanding drill bit; 2. a guniting hole; 3. a blast hole; 4. a dual-pipe drill pipe; 5. a double-pipeline drill rod inner partition plate; 6. threading a drill rod; 7. grouting pile bodies; 8. a palm surface.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is noted that, herein, 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The patent provides a plurality of parallel schemes, and different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each solution has its own unique features. Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. The fixing means, which is not described herein, may be any one of screw fixing, bolt fixing, or glue bonding.
The first embodiment is as follows: with reference to all of the accompanying drawings; a retreating type double-pipeline drilling and grouting drill rod is characterized in that the drill rod is a double-pipeline drill rod 4, a double-pipeline drill rod inner partition plate 5 is arranged inside the double-pipeline drill rod 4, a high-pressure grouting pipeline is separated from a high-pressure air pipeline through the double-pipeline drill rod inner partition plate 5, and a drill rod screw thread 6 is arranged at the tail part of the double-pipeline drill rod 4; the end part of the double-pipeline drill rod 4 comprises a reaming bit 1; the respective areas of the high-pressure grouting pipeline and the high-pressure air pipeline respectively comprise holes, the hole corresponding to the high-pressure grouting pipeline is a guniting hole 2, and the hole corresponding to the high-pressure air pipeline is an air blasting hole 3. The technical scheme of the invention has the following substantial technical effects and the realization process: the high-pressure grouting pipeline and the high-pressure air pipeline are separated, the drill rod can synchronously complete drilling and high-pressure grouting work in the broken surrounding rock, a common drill rod does not need to be adopted for drilling to form a hole, and then the retreating type grouting pipe is installed for grouting, so that the construction efficiency is improved, and the aims of rapidness and high efficiency in the process of reinforcing the broken surrounding rock are fulfilled.
In general, the grouting reinforcement method for the tunnel surrounding rock can effectively improve the grouting reinforcement effect of the tunnel surrounding rock, reduce the construction time of the original process and greatly improve the grouting reinforcement construction efficiency of the tunnel surrounding rock. The utility model discloses select material and simple structure, simple to operate has improved the wall rock slip casting widely and has consolidated construction work efficiency, gains good work efficiency benefit and quality benefit.
Example two: as a further improvement or in parallel or alternatively independently, the guniting hole 2 and the air-blasting hole 3 are located on the reamer bit 1. The technical scheme of the invention has the following substantial technical effects and the realization process: in the implementation, the drilling rod drilling and the high-pressure grouting work in the broken surrounding rock can be synchronously completed by referring to the figure 1.
Example three: as a further development or in parallel or alternatively independently, the double pipe drill pipe 4 comprises a plurality of sections and is screwed to one another via the drill pipe thread 6. The technical scheme of the invention has the following substantial technical effects and the realization process: the length can be prolonged, and the device is suitable for different engineering conditions.
Example four: as a further development, either in parallel or alternatively independently, the shotcrete holes 2 and the air holes 3 are located on a double pipe drill 4. The technical scheme of the invention has the following substantial technical effects and the realization process thereof: this embodiment is a parallel embodiment of the second embodiment, and it can also realize the simultaneous grouting and blowing, referring to fig. 4. This patent is used for peripheral country rock slip casting of underground works to consolidate, is particularly used for broken country rock slip casting in tunnel cave to consolidate, makes the country rock again.
The drill rod can synchronously complete drill rod drilling and high-pressure grouting work in the broken surrounding rock, a common drill rod does not need to be adopted to drill a hole, and then a retreating type grouting pipe is installed to perform grouting, so that the construction efficiency is improved, and the aims of rapidness and high efficiency in the process of reinforcing the broken surrounding rock are fulfilled.
The utility model discloses select material and simple structure, construction convenience has improved broken country rock high pressure slip casting greatly and has formed type pile column body, improves country rock intensity and stability, gains good work efficiency benefit and security benefit.
It should be noted that the plurality of schemes provided in this patent include their own basic schemes, which are independent of each other and are not restricted to each other, but they may be combined with each other without conflict, so as to achieve a plurality of effects.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims.
Claims (4)
1. A retreating type double-pipeline drilling and grouting drill rod is characterized in that the drill rod is a double-pipeline drill rod (4), a double-pipeline drill rod inner partition plate (5) is arranged inside the double-pipeline drill rod (4), a high-pressure grouting pipeline is separated from a high-pressure air pipeline through the double-pipeline drill rod inner partition plate (5), and a drill rod screw thread (6) is arranged at the tail part of the double-pipeline drill rod (4); the end part of the double-pipeline drill rod (4) comprises a hole expanding drill bit (1); the high-pressure grouting pipeline and the high-pressure air pipeline respectively comprise holes, the hole corresponding to the high-pressure grouting pipeline is a guniting hole (2), and the hole corresponding to the high-pressure air pipeline is an air-blasting hole (3).
2. A retreat double-pipe boring and grouting drill rod according to claim 1, characterized in that the shotcrete hole (2) and the blowhole (3) are provided in the reamer head (1).
3. A retreat double conduit drill pipe according to claim 1, wherein the double conduit drill pipe (4) comprises a plurality of sections and is threadedly connected to each other by means of the drill pipe threads (6).
4. A retreating double-pipe drill pipe for drilling and grouting according to claim 1, characterized in that the shotcrete hole (2) and the air blast hole (3) are located on the double-pipe drill pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222218564.5U CN217813341U (en) | 2022-08-23 | 2022-08-23 | Retreating type double-pipeline drilling and grouting drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222218564.5U CN217813341U (en) | 2022-08-23 | 2022-08-23 | Retreating type double-pipeline drilling and grouting drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217813341U true CN217813341U (en) | 2022-11-15 |
Family
ID=83977177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222218564.5U Active CN217813341U (en) | 2022-08-23 | 2022-08-23 | Retreating type double-pipeline drilling and grouting drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217813341U (en) |
-
2022
- 2022-08-23 CN CN202222218564.5U patent/CN217813341U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208152960U (en) | A kind of multi-cycle runner drilling tool | |
| CN209976470U (en) | Gravel stratum pipe well dewatering well completion device | |
| CN109667542A (en) | The discontinuous pipe-following drilling anchor cable construction method of multistage subsection in broken formation | |
| CN105178897B (en) | Gas drilling ground manifold connection structure | |
| CN109026097A (en) | A kind of double drill bit drilling construction methods of anti-float anchor rod | |
| CN110306965A (en) | A kind of method for increasing for coal bed gas low yield wellblock | |
| CN202767084U (en) | Drilling-filling top-down high pressure impact extrusion grouting system | |
| CN217813341U (en) | Retreating type double-pipeline drilling and grouting drill rod | |
| CN102425388A (en) | Slag salvaging cylindrical drill for drilled pile | |
| CN108625781A (en) | A kind of application process of rigid drilling tool for continuous pipe sidetrack horizontal well | |
| CN207673287U (en) | A kind of jet-propelled high-efficiency helical drilling tool | |
| CN206337557U (en) | A kind of triple tube down-the-hole percussion injector combination unit | |
| Bo et al. | Reverse circulation DTH hammer drilling technique | |
| CN217712429U (en) | Hollow type rapid construction drill bit suitable for hard rock stratum | |
| CN207048761U (en) | A kind of coal bed gas " dovetail type " horizontal well | |
| CN106499334A (en) | Down-hole is slidingly sealed instrument, unlimited extended reach drilling device and its boring method | |
| CN203570197U (en) | Cut-through impactor | |
| CN202187735U (en) | Bored pile tubular drill for fishing residue | |
| WO2022105343A1 (en) | Large-diameter combination impactor and down-the-hole drilling rig | |
| CN102174881A (en) | Method for drilling holes and protecting walls by plastic expansion casing pipe and special expansion casing pipe | |
| CN213175566U (en) | Drill bit drilling tool device of multifunctional drilling machine | |
| CN205713982U (en) | A kind of pile foundation construction drilling equipment being applicable to karst area | |
| CN110541727B (en) | Coal bed gas ground treatment method | |
| CN106869934A (en) | A kind of slip casting recovery method suitable for inclined seam | |
| CN206205778U (en) | A kind of underground is slidingly sealed instrument and its unlimited extended reach drilling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |