CN211715048U - Drilling tool for pore-forming of end expanded head - Google Patents
Drilling tool for pore-forming of end expanded head Download PDFInfo
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- CN211715048U CN211715048U CN202020173096.2U CN202020173096U CN211715048U CN 211715048 U CN211715048 U CN 211715048U CN 202020173096 U CN202020173096 U CN 202020173096U CN 211715048 U CN211715048 U CN 211715048U
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- reaming
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Abstract
The utility model relates to a tip enlarged footing pore-forming drilling tool has related to pile foundation construction utensil technical field, has solved the brill that utilizes reducing arm mechanism to adjust the drill bit and has got the scope, and the atress of drilling rod and drill bit between the soil body and reducing arm is comparatively complicated, and the inhomogeneous problem of atress can appear in the reaming in-process, including the drilling tool body, the one end of drilling tool body is fixed with the connecting piece of being connected with the drilling rod, and the one end that the connecting piece was kept away from to the drilling tool body is rotated and is provided with three reaming sword piece, and the drilling tool body. The utility model discloses a drilling diameter of rotation regulation drilling tool body in the time of three reaming sword piece, simple and convenient utilizes hydraulic motor to drive, and the drive mode dynamics is balanced, and the atress is stable, can bear higher reverse effort, has ensured the stability of drilling in-process reaming sword piece.
Description
Technical Field
The utility model belongs to the technical field of pile foundation construction utensil technique and specifically relates to a tip enlarged footing pore-forming drilling tool is related to.
Background
The anti-floating anchor rod is one kind of anti-floating measure for underground structure in building engineering, and is used to resist the upward shift of the upper building and to form structural member, the foundation pile is usually compression resisting pile, the pile body bears load pressure and the stress is transferred from the pile top to the pile bottom, and the stress on the pile top changes with the change of building load.
The prior Chinese patent with the publication number of CN205743733U provides a drill rod assembly for a drillable enlarged head of a pile machine, which comprises a main drill rod with a main drill bit and at least one auxiliary drill bit and an auxiliary drill rod, wherein the main drill rod and the auxiliary drill rod are arranged in parallel, the main drill rod and the auxiliary drill rod are connected with a power driving mechanism, the main drill bit is provided with a reducing arm mechanism, the reducing arm mechanism can move towards the direction close to or far away from the axial lead of the main drill rod so as to change the rotating range of the reducing arm mechanism, and when the reducing arm mechanism rotates, the reducing arm mechanism rotates.
The above prior art solutions have the following drawbacks: the drilling range of the drill bit is adjusted by utilizing the mode that the reducing arm mechanism drives the main drill rod to move, the stress of the drill rod and the drill bit between a soil body and the reducing arm is complex in the drilling process, the condition of uneven stress can occur in the reaming process, and the drilling effect of the enlarged hole is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide stable, the atress of tension, ensure that reaming process is stable, the effectual tip enlarged footing pore-forming drilling tool of reaming.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
tip enlarged footing pore-forming drilling tool, including the drilling tool body, the one end of drilling tool body is fixed with the connecting piece of being connected with the drilling rod, the drilling tool body is kept away from the one end of connecting piece is rotated and is provided with three reaming sword piece, drilling tool body is inside to be fixed with the drive threely the drive assembly that the reaming sword piece was expanded outward simultaneously soon, the back is expanded outward soon to the reaming sword piece, three the edge of reaming sword piece the biggest connecting ring line diameter size of the circumferential direction of drilling tool body is greater than the diameter size of drilling tool body.
Through adopting above-mentioned technical scheme, before drilling, utilize the drilling rod to be connected with the connecting piece, rotate through drive drilling rod and drilling tool body, drive the drilling that three reaming sword piece realized the soil body, after drilling finishes, utilize the drive assembly drive to be three reaming sword piece simultaneously external rotation expansion, after three reaming sword piece location, continue to drive three reaming sword piece and rotate simultaneously to ream the soil body, the utility model discloses a rotatory diameter of drilling of adjusting the drilling tool body in the time of three reaming sword piece, simple and convenient utilizes hydraulic motor to drive, and the drive mode dynamics is balanced, and the atress is stable, can bear higher reverse effort, has ensured the stability of drilling in-process reaming sword piece.
The present invention may be further configured in a preferred embodiment as: and a connecting ring block is fixed at one end of the reaming cutter block close to the drilling tool body, and a rotating rod which is coaxially and fixedly connected with the connecting ring block is rotationally arranged in the drilling tool body.
Through adopting above-mentioned technical scheme, the syntropy of three bull stick rotates, drives three connecting ring piece and reaming cutter piece syntropy simultaneously and rotates.
The present invention may be further configured in a preferred embodiment as: the drive assembly includes hydraulic motor, driving gear, driven gear, this internal being fixed with of drilling tool hydraulic motor, hydraulic motor's the coaxial fixedly connected with of output shaft the driving gear, the meshing transmission of driving gear week side is provided with three the coaxial fixed connection of bull stick.
Through adopting above-mentioned technical scheme, hydraulic motor drive driving gear rotates, and the three driven gear of driving gear drive rotates to drive three bull stick and three connecting ring piece syntropy rotation simultaneously.
The present invention may be further configured in a preferred embodiment as: the drilling tool body is provided with a special-shaped groove for accommodating the connecting ring block.
Through adopting above-mentioned technical scheme, utilize the dysmorphism groove to hold the connecting ring piece for the connecting ring piece is embedded into this internal, and the structure is simpler in the drilling tool.
The present invention may be further configured in a preferred embodiment as: the periphery of the connecting ring block is fixedly connected with a positioning key used for positioning the rotating angle of the connecting ring block.
By adopting the technical scheme, when the connecting ring block is rotated, the positioning key is utilized to facilitate positioning of the rotation angle of the connecting ring block, and the positioning rotation of the reaming cutter block is realized.
The present invention may be further configured in a preferred embodiment as: and a threaded hole for being in threaded connection with the drill rod is formed in the connecting piece.
By adopting the technical scheme, the connection between the drill rod and the connecting piece is realized by utilizing the threaded connection between the drill rod and the threaded hole.
The present invention may be further configured in a preferred embodiment as: the two ends of the reaming cutter block close to/far away from the connecting ring block are both in wedge-shaped block shape.
Through adopting above-mentioned technical scheme, the reverse effort that wedge massive reaming cutter piece received at drilling and reaming in-process is balanced, and the trompil effect is better.
The present invention may be further configured in a preferred embodiment as: the reaming cutter block is made of diamond.
Through adopting above-mentioned technical scheme, diamond material hardness and toughness are better, and are comparatively durable, and drilling and bellout effect are stable, guarantee efficiency of construction.
To sum up, the utility model discloses a following at least one kind benefits technological effect:
compared with the prior art, the utility model discloses a diameter size of reamer is adjusted to the three reaming sword piece low-speed pivoted mode of hydraulic motor drive, and the regulative mode is stable, reduces unnecessary atress branch, makes three reaming sword piece reaming in-process atress stable simultaneously, and the reaming effect is better for the life of three reaming sword piece is more permanent.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a partial sectional view of the present invention.
Reference numerals: 1. a drilling tool body; 2. a connecting member; 3. a reaming cutter block; 4. a connecting ring block; 5. a rotating rod; 6. a hydraulic motor; 7. a driving gear; 8. a driven gear; 9. a special-shaped groove; 10. a positioning key; 11. a threaded bore.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an end expansion head pore-forming drilling tool, including drilling tool body 1, the one end of drilling tool body 1 is fixed with the connecting piece 2 of being connected with the drilling rod. Referring to fig. 2, a threaded hole 11 for being in threaded connection with a drill rod is formed in the connecting piece 2, and the connecting piece 2 and the threaded hole 11 are both arranged coaxially with the drilling tool body 1. The connection of the drill rod and the connecting piece 2 is realized by the threaded connection of the drill rod and the threaded hole 11.
The one end that connecting piece 2 was kept away from to drilling tool body 1 rotates and is provided with three reaming sword piece 3, and three reaming sword piece 3 is arranged along the equidistant range of the circumference direction of drilling tool body 1, and the both ends that reaming sword piece 3 is close to/keeps away from connecting ring piece 4 all are the cubic setting of wedge, and after 3 epitrochoidal expansions of reaming sword piece, the biggest connecting ring line diameter size of the circumference direction of three reaming sword piece 3 along drilling tool body 1 is greater than the diameter size of drilling tool body 1. In the trompil process, the drilling rod rotates, drives drilling tool body 1 and three reaming sword piece 3 and rotates simultaneously, realizes the drilling of the soil body, and after three reaming sword piece 3 outwards rotatory expandes, through driving three reaming sword piece 3 and rotate, realize the reaming work of the soil body, the reverse effort that wedge massive reaming sword piece 3 received at drilling and reaming in-process is balanced, and the trompil effect is better.
The reaming cutter block 3 is made of diamond. The diamond material hardness and toughness are better, and are comparatively durable, and drilling and bellout effect are stable, guarantee efficiency of construction.
One end of the reaming cutter block 3 close to the drilling tool body 1 is fixed with a connecting ring block 4, the drilling tool body 1 is provided with a special-shaped groove 9 for accommodating the connecting ring block 4, a rotating rod 5 which is coaxially and fixedly connected with the connecting ring block 4 is arranged in the drilling tool body 1 in a rotating mode, and the rotating rod 5 penetrates through the special-shaped groove 9 and is coaxially and fixedly connected with the connecting ring block 4. Three change bar 5 syntropy rotates, drives three connecting ring piece 4 and reaming sword piece 3 syntropy simultaneously and rotates to realize that three reaming sword piece 3 is simultaneously outside rotatory expandes, be convenient for realize the reaming purpose, utilize dysmorphism groove 9 to hold connecting ring piece 4, make connecting ring piece 4 imbed in drilling tool body 1, the structure is simpler.
Connecting ring piece 4 week side fixedly connected with is used for the navigation key 10 of the 4 turned angle of positioning connecting ring piece, and navigation key 10 is rotatory with 180 degrees angles in dysmorphism groove 9, and the semicircle spout of being convenient for navigation key 10 to carry out 180 degrees rotations is formed in the week side of connecting ring piece 4 in dysmorphism groove 9, when losing navigation key 10 and laminating in the lateral wall of dysmorphism groove 9, realizes the location of connecting ring piece 4 rotational position. When the connecting ring block 4 is rotated, the positioning key 10 is used for conveniently positioning the rotation angle of the connecting ring block 4, and the positioning rotation of the reaming cutter block 3 is realized.
The drilling tool comprises a drilling tool body 1, a driving assembly, a driving gear 7 and a driven gear 8, wherein the driving assembly is used for driving three rotating rods 5 to rotate in the same direction, the driving assembly comprises a hydraulic motor 6, the driving gear 7 and the driven gear 8, the hydraulic motor 6 is fixed in the drilling tool body 1, the driving gear 7 is fixedly connected with an output shaft of the hydraulic motor 6 in a coaxial mode, and the driving gear 7 is fixedly connected with the three rotating rods 5 in a meshing mode in the circumferential side. The hydraulic motor 6 drives the driving gear 7 to rotate, and the driving gear 7 drives the three driven gears 8 to rotate, so that the three rotating rods 5 and the three connecting ring blocks 4 are driven to rotate in the same direction.
The implementation principle of the embodiment is as follows:
before drilling, utilize the drilling rod to be connected with connecting piece 2, rotate through drive drilling rod and drilling tool body 1, drive the drilling that three reaming cutter piece 3 realized the soil body, after drilling finishes, utilize hydraulic motor 6 drive driving gear 7 to rotate, drive three driven gear 8 and rotate, and then drive bull stick 5, connecting ring piece 4, reaming cutter piece 3 rotates, realize that three reaming cutter piece 3 outwards expandes simultaneously, after the expansion, drive drilling rod and three reaming cutter piece 3 continue to rotate to ream the soil body. The utility model discloses a drilling diameter of rotation regulation drilling tool body 1 in the time of three reaming sword piece 3, simple and convenient utilizes hydraulic motor 6 to drive, and the driving method dynamics is balanced, and the atress is stable, can bear higher reverse effort, has ensured the stability of drilling in-process reaming sword piece 3.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The end expanded bit pore-forming drilling tool is characterized by comprising a drilling tool body (1), wherein a connecting piece (2) connected with a drilling rod is fixed at one end of the drilling tool body (1), three reaming cutter blocks (3) are rotatably arranged at one end, far away from the connecting piece (2), of the drilling tool body (1), a driving assembly for driving the three reaming cutter blocks (3) to be simultaneously expanded in an outward rotating mode is fixed inside the drilling tool body (1), and after the reaming cutter blocks (3) are expanded in the outward rotating mode, the diameter of the maximum connecting loop line of the three reaming cutter blocks (3) in the circumferential direction of the drilling tool body (1) is larger than that of the drilling tool body (1).
2. The end expanding bit pore-forming drilling tool according to claim 1, characterized in that a connecting ring block (4) is fixed at one end of the expanding cutter block (3) close to the drilling tool body (1), and a rotating rod (5) coaxially and fixedly connected with the connecting ring block (4) is rotatably arranged in the drilling tool body (1).
3. The drilling tool for forming holes with enlarged end portions according to claim 2, wherein the driving assembly comprises a hydraulic motor (6), a driving gear (7) and a driven gear (8), the hydraulic motor (6) is fixed in the drilling tool body (1), an output shaft of the hydraulic motor (6) is coaxially and fixedly connected with the driving gear (7), and three rotating rods (5) are coaxially and fixedly connected with the driving gear (7) in a meshing transmission mode on the peripheral side of the driving gear (7).
4. The enlarged-tip-boring tool according to claim 3, characterized in that the tool body (1) is provided with a profiled groove (9) for accommodating the connecting ring block (4).
5. The enlarged-end-bit pore-forming drill according to claim 4, characterized in that a positioning key (10) for positioning the rotation angle of the connecting ring block (4) is fixedly connected to the periphery of the connecting ring block (4).
6. The enlarged-end-bit pore-forming drill according to claim 1, characterized in that the connecting piece (2) is internally provided with a threaded hole (11) for threaded connection with a drill rod.
7. The enlarged-end-bit pore-forming drill according to claim 2, wherein both ends of the reamer block (3) close to/far from the connecting ring block (4) are arranged in a wedge-shaped block shape.
8. The enlarged-tipped boring tool according to claim 7, characterized in that the reamer blocks (3) are made of diamond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020173096.2U CN211715048U (en) | 2020-02-16 | 2020-02-16 | Drilling tool for pore-forming of end expanded head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020173096.2U CN211715048U (en) | 2020-02-16 | 2020-02-16 | Drilling tool for pore-forming of end expanded head |
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| Publication Number | Publication Date |
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| CN211715048U true CN211715048U (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020173096.2U Active CN211715048U (en) | 2020-02-16 | 2020-02-16 | Drilling tool for pore-forming of end expanded head |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405226A (en) * | 2022-09-30 | 2022-11-29 | 江苏和信石油机械有限公司 | Drilling tool for coal mine underground horizontal wireless directional drilling system while drilling |
| CN117948049A (en) * | 2024-03-26 | 2024-04-30 | 山东省地质矿产勘查开发局第五地质大队（山东省第五地质矿产勘查院） | Drilling and reaming drilling tool for ground source heat pump investigation construction |
| CN117948049B (en) * | 2024-03-26 | 2024-06-07 | 山东省地质矿产勘查开发局第五地质大队（山东省第五地质矿产勘查院） | Drilling and reaming drilling tool for ground source heat pump investigation construction |
-
2020
- 2020-02-16 CN CN202020173096.2U patent/CN211715048U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405226A (en) * | 2022-09-30 | 2022-11-29 | 江苏和信石油机械有限公司 | Drilling tool for coal mine underground horizontal wireless directional drilling system while drilling |
| CN117948049A (en) * | 2024-03-26 | 2024-04-30 | 山东省地质矿产勘查开发局第五地质大队（山东省第五地质矿产勘查院） | Drilling and reaming drilling tool for ground source heat pump investigation construction |
| CN117948049B (en) * | 2024-03-26 | 2024-06-07 | 山东省地质矿产勘查开发局第五地质大队（山东省第五地质矿产勘查院） | Drilling and reaming drilling tool for ground source heat pump investigation construction |
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