CN219587511U - Drilling tool for composite foundation CFG pile construction - Google Patents
Drilling tool for composite foundation CFG pile construction Download PDFInfo
- Publication number
- CN219587511U CN219587511U CN202320884367.9U CN202320884367U CN219587511U CN 219587511 U CN219587511 U CN 219587511U CN 202320884367 U CN202320884367 U CN 202320884367U CN 219587511 U CN219587511 U CN 219587511U
- Authority
- CN
- China
- Prior art keywords
- drill
- drilling
- soil
- driving
- barrel
- 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
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a drilling tool for constructing a composite foundation CFG pile, which relates to the technical field of foundation pile drilling tools and comprises a main body, wherein a drill bit device is arranged at the bottom of the main body, the main body comprises a drill cylinder, a drill rod is arranged in the drill cylinder, a soil discharging port is formed in the drill cylinder, a drive mounting module is connected with the top of the drill cylinder in a driving manner, and a CFG pile is inserted into the soil discharging port of the drill cylinder. According to the utility model, the drilling barrel is matched with the drill rod arranged in the drilling barrel, the drilling is synchronously carried out, the drilling barrel main body can play a role in reinforcing the drilled hole during drilling, collapse deformation is prevented, the hole wall is kept in a smoother state, the follow-up discharging of CFG piles is also facilitated, soil is conveyed to the top soil discharge through the inner wall of the drilling barrel through the drilling soil threads of the drill rod, the drill rod is matched with the drilling barrel, the drilling of the soil can be carried out simultaneously, the efficiency is higher, after the drill rod is pulled out from the drilling barrel, the CFG piles can be pulled out through the soil discharge hole of the drilling barrel, the drilling and fixing of the lower piles are integrally completed, and the construction efficiency is higher.
Description
Technical Field
The utility model relates to the technical field of foundation pile drilling tools, in particular to a drilling tool for constructing a composite foundation CFG pile.
Background
The composite foundation is an artificial foundation which is formed by a matrix and a reinforcing body in the reinforcing area, wherein part of soil body of the natural foundation is reinforced or replaced in the foundation treatment process, or reinforcing materials are arranged in the natural foundation. Under the load action, the matrix and the reinforcement jointly bear the load action, and the CFG pile is a cement fly ash gravel pile, which is made by mixing broken stone, stone dust, sand and fly ash cement with water and using various pile forming machines to manufacture the variable strength pile with certain strength.
The CFG pile is a low-strength concrete pile, can fully utilize the combined action of bearing capacity of soil among piles, can transfer load into a deep foundation, and has good technical performance and economic effect. Before the CFG pile is arranged in the composite foundation, a foundation pile drilling tool is generally adopted to drill and form a reserved hole. The following problems exist in the prior art:
chinese patent application publication (bulletin) No.: CN213510494U, application number: CN202022695037.4 discloses a drilling tool for constructing CFG piles of composite foundations, which comprises a drill stem, the drilling rod from the top down includes polished rod section, the section of extruding soon and the section of boring in proper order, the section of extruding soon with polished rod section an organic whole sets up, be provided with the spiral line on the section of extruding soon, be provided with first helical blade on the section of boring, it can dismantle with the section lower extreme of extruding soon to bore section upper end and be connected, it is provided with the drill bit to bore section lower extreme. The whole process of pile forming of the foundation can not generate external dumping, so that the cost of external dumping and external transportation is omitted; the pile body pore-forming and pile body construction can be completed rapidly and once, the working procedures can be simplified, the working efficiency can be improved, and the cost can be reduced. However, when some softer natural ground matrix is drilled, the drill bit is pulled out, and a device for reinforcing the drilled hole is not provided, so that the softer natural ground matrix may collapse in the hole along with the pulling out of the drill bit, thereby affecting the construction efficiency. Under the background, a drilling tool for constructing the CFG pile of the composite foundation is provided to solve the problems.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the following technical scheme:
the drilling tool for the construction of the CFG pile of the composite foundation comprises a main body, wherein a drill bit device is arranged at the bottom of the main body, the main body comprises a drill cylinder, a drill rod is arranged in the drill cylinder, a soil discharging port is formed in the drill cylinder, a driving installation module is connected to the top of the drill cylinder in a driving mode, the CFG pile is inserted into the soil discharging port of the drill cylinder, and the driving installation module comprises an installation seat ring; the drill cylinder comprises a drill cylinder main body; the drill rod comprises a drilling screw thread.
The technical scheme of the utility model is further improved as follows: the mounting seat ring is provided with a bolt groove, the interior of the mounting seat ring and the interior of the drill cylinder are provided with a soil discharging port, and the interior of the mounting seat ring is provided with a first driving clamping groove.
The technical scheme of the utility model is further improved as follows: the top of the drill cylinder is in driving clamping connection with the driving installation module through a first driving clamping groove.
The technical scheme of the utility model is further improved as follows: the top of the drill cylinder main body is fixedly provided with a driving ring, the bottom of the drill cylinder main body is fixedly provided with a toothed drill bit, and the drill bit device comprises the toothed drill bit.
The technical scheme of the utility model is further improved as follows: the drill cylinder is installed in the drive installation module through a drive ring at the top.
The technical scheme of the utility model is further improved as follows: the top of boring soil screw thread is provided with the drive link, the second drive draw-in groove has been seted up to drive link department, drive link department and be located the top center department of drilling rod has seted up the actuating lever groove, the bottom fixed mounting of drilling rod has the pointed bit.
The technical scheme of the utility model is further improved as follows: the drill bit assembly includes a tip drill bit.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
the utility model provides a drilling tool for constructing a CFG pile of a composite foundation, which is characterized in that under the combined action of an installation seat ring, a bolt groove and a first driving clamping groove of a driving installation module, the top of a drilling barrel is driven and clamped in the driving installation module through the first driving clamping groove, the drilling barrel is driven and rotated through the driving installation module, the drilling barrel is driven and installed in the driving installation module through a driving ring at the top under the combined action of a drilling barrel main body, a toothed drill bit and a driving ring at the top, the drilling barrel is driven and rotated through the driving installation module, the foundation is punched through rotation under the action of the toothed drill bit fixedly installed at the bottom of the drilling barrel main body, and meanwhile, a drilling rod arranged in the drilling barrel is matched with the drilling rod, so that the drilling barrel and the drilling rod can be synchronously punched.
The utility model provides a drilling tool for constructing a composite foundation CFG pile, which is characterized in that under the combined action of a drilling thread of a drill rod, a driving connecting end, a driving rod groove, a tip drill bit and a second driving clamping groove, the driving connecting end is arranged at the top of the drill rod, the second driving clamping groove and the driving rod groove are arranged at the driving connecting end and are used for being connected with a driving device of the drill rod in a threaded mode and clamped, the tip drill bit at the bottom is driven to rotate by driving the drill rod to drill soil on a foundation, the drill rod is arranged in a drill barrel, the soil is conveyed to the top through the inner wall of the drill barrel through the drilling thread, the drill rod is matched with the drill barrel to drill soil at the same time for punching, the efficiency is higher, the soil in the drill barrel can be conveyed and discharged through the drill rod, the drilling depth of the drill rod can be flexibly adjusted, after the drill barrel is formed, the drill barrel is synchronized to the bottom of the inner wall of the drill hole, the drilled hole can be reinforced, the soft natural ground matrix soil can be prevented from collapsing along with the extraction of the drill bit in the hole, the drill rod is pulled out of the drill barrel, the CFG pile is lowered through the soil hole of the drill barrel, the pile is integrally, the pile is punched after the pile is pulled out, and the pile is fixed, and the drilling efficiency is higher.
Drawings
FIG. 1 is a schematic structural view of a drilling tool for constructing a CFG pile of a composite foundation;
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 3 is a schematic view of the drill pipe structure of the present utility model;
fig. 4 is a schematic view of a composite foundation CFG pile constructed by using a drilling tool according to the present utility model.
In the figure: 1. a main body; 2. drilling a cylinder; 3. a drill rod; 4. a drive installation module; 5. a soil discharge port; 6. a drill bit device; 7. CFG piles; 41. a first driving slot; 42. a bolt slot; 43. mounting a seat ring; 21. a drive ring; 22. a drill cylinder body; 23. a toothed drill bit; 31. a second driving slot; 32. a drive rod groove; 33. a drive connection; 34. drilling soil threads; 35. a tip drill.
Detailed Description
The utility model is further illustrated by the following examples:
examples
As shown in fig. 1-4, the utility model provides a drilling tool for constructing a composite foundation CFG pile, which comprises a main body 1, wherein a drill bit device 6 is arranged at the bottom of the main body 1, the main body 1 comprises a drill cylinder 2, a drill rod 3 is arranged in the drill cylinder 2, a soil discharging opening 5 is arranged in the drill cylinder 2, a driving and installing module 4 is connected with the top of the drill cylinder 2 in a driving way, and a CFG pile 7 is inserted into the soil discharging opening 5 of the drill cylinder 2.
Examples
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the driving installation module 4 comprises an installation seat ring 43, a bolt groove 42 is formed in the installation seat ring 43, a soil discharging opening 5 is formed in the installation seat ring 43 and the drilling barrel 2, a first driving clamping groove 41 is formed in the installation seat ring 43, the top of the drilling barrel 2 is in driving clamping connection with the driving installation module 4 through the first driving clamping groove 41, the drilling barrel 2 comprises a drilling barrel main body 22, a driving ring 21 is fixedly arranged at the top of the drilling barrel main body 22, a toothed drill bit 23 is fixedly arranged at the bottom of the drilling barrel main body 22, a drill bit device 6 comprises the toothed drill bit 23, the drilling barrel 2 is in driving installation module 4 through the driving ring 21 at the top, and a drill rod 3 is arranged in the drilling barrel 2.
In this embodiment, under the combined action of the mounting seat ring 43 of the driving mounting module 4, the bolt groove 42 and the first driving clamping groove 41, the top of the drill barrel 2 is in driving clamping connection with the driving mounting module 4 through the first driving clamping groove 41, the drill barrel 2 is in driving rotation through the driving mounting module 4, the drill barrel main body 22 of the drill barrel 2, the toothed drill bit 23 and the driving ring 21 are in driving connection with each other, the drill barrel 2 is mounted in the driving mounting module 4 through the driving ring 21 at the top, the drill barrel 4 is in driving rotation, under the action of the toothed drill bit 23 fixedly mounted at the bottom of the drill barrel main body 22, the foundation is perforated by rotating, meanwhile, the drill rod 3 arranged in the drill barrel 2 is matched with the drill rod 3, the drill barrel 2 and the drill rod 3 can be perforated synchronously.
Examples
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the drill rod 3 comprises a soil drilling thread 34, a driving connecting end 33 is arranged at the top of the soil drilling thread 34, a second driving clamping groove 31 is formed in the driving connecting end 33, a driving rod groove 32 is formed in the driving connecting end 33 and located at the center of the top of the drill rod 3, a tip drill bit 35 is fixedly arranged at the bottom of the drill rod 3, the drill bit device 6 comprises the tip drill bit 35, the drill rod 3 is arranged in the drill cylinder 2, and the CFG pile 7 is inserted into the soil discharging opening 5 of the drill cylinder 2.
In this embodiment, through the combined action of the boring screw thread 34, the drive connecting end 33, the drive rod groove 32, the tip drill bit 35 and the second drive clamping groove 31 of the drill rod 3, the top of the drill rod 3 is provided with the drive connecting end 33, the second drive clamping groove 31 formed at the drive connecting end 33 and the drive rod groove 32 are used for being in threaded connection with the driving device of the drill rod 3 and clamped, the drill rod 3 is driven to rotate, thereby the tip drill bit 35 at the bottom is driven to rotate, soil is bored on the foundation, the drill rod 3 is arranged in the drill barrel 2, the soil is conveyed to the top soil discharge through the inner wall of the drill barrel 2 through the boring screw thread 34, the drill rod 3 is matched with the drill barrel 2 to drill the soil simultaneously, the efficiency is higher, the soil in the drill barrel 2 can be conveyed and discharged through the drill barrel 3, the drilling depth of the drill rod 3 can be flexibly adjusted, after the drill barrel 2 is synchronously drilled to the bottom of the drill barrel, the loose natural ground matrix soil can collapse in the hole, the pile can be prevented from being pulled out along with the pulling out of the drill bit, the soil in the pile can be pulled out from the drill barrel 2, the pile can be pulled out through the CFG 7, and the pile can be fixed, namely, the pile can be fixed, and the pile can be more completely and the pile can be constructed, and the pile can be more efficiently pulled down, and the pile can be fixed, and the pile can be more conveniently and the pile can be fixed.
The working principle of the drilling tool for constructing the CFG pile of the composite foundation is specifically described below.
As shown in fig. 1-4, under the combined action of the mounting seat ring 43, the bolt groove 42 and the first driving clamping groove 41 of the driving mounting module 4, the top of the drill barrel 2 is in driving clamping connection in the driving mounting module 4 through the first driving clamping groove 41, the drill barrel 2 is in driving rotation through the driving mounting module 4, under the combined action of the drill barrel main body 22, the toothed drill bit 23 and the driving ring 21 of the drill barrel 2, the drill barrel 2 is in driving mounting in the driving mounting module 4 through the driving ring 21 at the top, and is in driving rotation through the driving mounting module 4, under the action of the toothed drill bit 23 fixedly mounted at the bottom of the drill barrel main body 22, the foundation is perforated by rotating, meanwhile, the drill barrel 2 and the drill rod 3 are matched, the drill barrel 2 and the drill rod 3 can be perforated synchronously, compared with the traditional drill bit, the drilling efficiency of the drill barrel 2 can be higher, the drill barrel main body 22 of the barrel 2 can also perform the reinforcing function on the drilled hole during drilling, prevent collapsing deformation, make the pore wall keep smoother state, also be convenient for follow-up lower CFG stake 7, through boring soil screw thread 34 of drilling rod 3, drive link 33, drive rod groove 32, tip drill bit 35, under the combined action of second drive draw-in groove 31, the top of drilling rod 3 is provided with drive link 33, drive link 33 department sets up second drive draw-in groove 31, drive rod groove 32 is used for and the clamping behind the drive arrangement threaded connection of drilling rod 3, through driving drilling rod 3 rotation, thereby drive tip drill bit 35 rotation in bottom, to foundation boring soil, drilling rod 3 sets up in the inside of boring section of thick bamboo 2, carry soil to the top earth through boring soil screw thread 34 with boring section of thick bamboo 2 inner wall, drilling rod 3 cooperation boring soil simultaneously punches, efficiency is higher, and the soil in boring section of thick bamboo 2 also can be discharged through drilling rod 3 transportation, the drilling depth of the drill rod 3 can be flexibly adjusted, after the drilling is formed, the drill cylinder 2 is synchronized to the bottom of the inner wall of the drill hole, the drilled hole can be reinforced, the soft natural ground matrix soil can be prevented from collapsing in the hole due to the pulling-out of the drill bit, after the drill rod 3 is pulled out of the drill cylinder 2, the CFG pile 7 is pulled out through the soil discharging port 5 of the drill cylinder 2, the drill cylinder 2 can be pulled out after the pile is pulled out, the drilling, fixing and pile pulling are integrally completed, and the construction efficiency is higher.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. The utility model provides a drilling tool for composite foundation CFG stake construction, includes main part (1), its characterized in that: the novel soil discharging device is characterized in that a drill bit device (6) is arranged at the bottom of the main body (1), the main body (1) comprises a drill cylinder (2), a drill rod (3) is arranged in the drill cylinder (2), a soil discharging opening (5) is formed in the drill cylinder (2), a driving installation module (4) is connected to the top of the drill cylinder (2) in a driving mode, a CFG pile (7) is inserted into the soil discharging opening (5) of the drill cylinder (2), and the driving installation module (4) comprises an installation seat ring (43); the drill cylinder (2) comprises a drill cylinder main body (22); the drill rod (3) comprises a soil drilling thread (34).
2. The drilling tool for constructing the CFG pile of the composite foundation according to claim 1, wherein: the mounting seat ring (43) is provided with a bolt groove (42), the interior of the mounting seat ring (43) and the interior of the drill cylinder (2) are provided with a soil discharging port (5), and the interior of the mounting seat ring (43) is provided with a first driving clamping groove (41).
3. The drilling tool for constructing the CFG pile of the composite foundation according to claim 2, wherein: the top of the drill cylinder (2) is in driving clamping connection in the driving installation module (4) through the first driving clamping groove (41).
4. The drilling tool for constructing the CFG pile of the composite foundation according to claim 1, wherein: the top of the drill cylinder body (22) is fixedly provided with a driving ring (21), the bottom of the drill cylinder body (22) is fixedly provided with a toothed drill bit (23), and the drill bit device (6) comprises the toothed drill bit (23).
5. The drilling tool for constructing the CFG pile of the composite foundation according to claim 4, wherein: the drill cylinder (2) is arranged in the drive installation module (4) in a drive way through a drive ring (21) at the top.
6. The drilling tool for constructing the CFG pile of the composite foundation according to claim 1, wherein: the top of boring soil screw thread (34) is provided with drive link (33), second drive draw-in groove (31) have been seted up to drive link (33) department, drive link (33) department and be located the top center department of drilling rod (3) and seted up drive rod groove (32), the bottom fixed mounting of drilling rod (3) has pointed bit (35).
7. The drilling tool for constructing the CFG pile of the composite foundation of claim 6, wherein: the drill device (6) comprises a tip drill (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320884367.9U CN219587511U (en) | 2023-04-19 | 2023-04-19 | Drilling tool for composite foundation CFG pile construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320884367.9U CN219587511U (en) | 2023-04-19 | 2023-04-19 | Drilling tool for composite foundation CFG pile construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219587511U true CN219587511U (en) | 2023-08-25 |
Family
ID=87695384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320884367.9U Active CN219587511U (en) | 2023-04-19 | 2023-04-19 | Drilling tool for composite foundation CFG pile construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219587511U (en) |
-
2023
- 2023-04-19 CN CN202320884367.9U patent/CN219587511U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109853524B (en) | Construction method of expanded head stiff cement soil composite special-shaped pile | |
| CN101560765A (en) | Underground continuous wall construction technique of multi-spindle long spiral drill pipe occluding pile | |
| CN105113498A (en) | Method for constructing high-strength core composite piles | |
| CN109113566A (en) | The structure-improved and full-sleeve screw cast-in-place pile construction method of full-sleeve twist bit | |
| CN2866602Y (en) | Long-auger drill reaming bottom stirring and in-hole reaming concrete pile-grouting piling apparatus | |
| CN107574818A (en) | Screw, which bores, squeezes cast-in-place pile construction method and screw assemblies drill bit | |
| CN103089170A (en) | Extensible drill pipe of long spiral drilling pressure filling pile machine and construction method thereof | |
| CN219587511U (en) | Drilling tool for composite foundation CFG pile construction | |
| CN108049401A (en) | A kind of screw thread rammed bulb pile and its construction method | |
| CN101245597A (en) | Breast wall type cast-in-situ bored pile construction method and pile machine | |
| CN209586292U (en) | A kind of spiral is at hole drill tool | |
| CN109973026B (en) | Pile construction method and special drill rod system | |
| CN109723393A (en) | A kind of spiral is at hole drill tool and bore forming method | |
| CN106499343B (en) | Spiral cylinder soil compaction drill bit and its bore forming method | |
| CN206267795U (en) | Spiral cylinder soil compaction drill bit | |
| CN109441357A (en) | A kind of drilling tool and construction method for the compacted pore-creating filling pile of long spire | |
| CN201021496Y (en) | Wall protection drilling hole injection staker | |
| CN208023566U (en) | A kind of screw thread rammed bulb pile | |
| CN109667266B (en) | Construction method and device for self-drilling large-diameter tubular pile and special tubular pile matched with same | |
| CN2811537Y (en) | Drilling tool without waste discharge for long auger boring machine | |
| CN203188200U (en) | High-pressure jet grouting stirring pile-forming device | |
| CN207362836U (en) | Screw assemblies drill bit | |
| CN205713988U (en) | A kind of efficient rotary digs rock drill bit | |
| CN104863125A (en) | Bougainvillea spectabilis willd-shaped drilling pile and shaping method thereof | |
| CN219654634U (en) | Drill bit for hole forming of reverse circulation drilling machine of bored pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |