CN212641444U - Device for drilling construction of side slope anchor rod - Google Patents
Device for drilling construction of side slope anchor rod Download PDFInfo
- Publication number
- CN212641444U CN212641444U CN202021070145.6U CN202021070145U CN212641444U CN 212641444 U CN212641444 U CN 212641444U CN 202021070145 U CN202021070145 U CN 202021070145U CN 212641444 U CN212641444 U CN 212641444U
- Authority
- CN
- China
- Prior art keywords
- rod
- drill bit
- inner rod
- wall
- side slope
- 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
A device for slope anchor rod drilling construction comprises a drill bit, an outer rod and an inner rod arranged inside the outer rod; the drill bit is arranged at one end of the inner rod, and a first preformed hole is formed in the outer wall of one end of the inner rod close to the drill bit; the outer rod sleeve is established at interior pole outer wall, and transition fit between outer rod and the interior pole, outer rod one end and drill bit contact are equipped with the second preformed hole on the outer wall of the outer rod one end that is close to the drill bit. This novel adopt above-mentioned structure, can realize the drilling, clear hole and the integration work progress of slip casting, effectively promote drilling work efficiency.
Description
Technical Field
The utility model relates to a side slope construction field, specific is a device for side slope stock drilling construction.
Background
The anchor rod is widely applied to the fields of roads, municipal administration, foundation pits and the like, is mainly used for reinforcing an unstable slope, but the conventional anchor rod drilling and hole cleaning equipment is divided into two sets of different equipment, so that the construction process is complex, the construction progress is slow, and the construction quality is easily influenced.
At present, when the stock construction, construction process commonly used does: firstly, performing anchor hole measurement lofting according to a design file, aligning a designed hole position, adjusting a drilling machine to be in place, synchronously installing a drilling sleeve on the drilling machine, mechanically and rotatably drilling, synchronously forming a protective wall by mud along with a pipe in order to prevent hole collapse, pulling out the drilling sleeve after hole forming, replacing a hole cleaning sleeve (the general pipe diameter is slightly smaller than that of a drilling hole), pressing water from an orifice to enter the bottom of the hole to carry mud residues to flow out, finally judging the hole cleaning effect according to the turbid state of an outflow water body, and then performing subsequent anchor rod insertion, grouting and other construction processes. The existing commonly used sleeve pipes for drilling, cleaning and grouting of anchor rod construction are 3 sets of different equipment, collapse of anchor hole retaining walls is easily caused when the sleeve pipes are repeatedly pulled out, and the problems of complex construction process and unstable quality of anchoring bodies exist.
Disclosure of Invention
The utility model aims to solve the technical problem that a device for side slope stock drilling construction is provided, can realize the drilling, clear hole and the integration work progress of slip casting, effectively promote drilling operating efficiency.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a device for slope anchor rod drilling construction comprises a drill bit, an outer rod and an inner rod arranged inside the outer rod;
the drill bit is arranged at one end of the inner rod, and a first preformed hole is formed in the outer wall of one end, close to the drill bit, of the inner rod;
the outer rod sleeve establish interior pole outer wall, transition fit between outer rod and the interior pole, outer rod one end and drill bit contact are equipped with the second preformed hole on the outer wall of the outer rod one end that is close to the drill bit.
In the preferred scheme, the one end of drill bit is kept away from to outer pole on the detachable outer pole extension bar that is connected with, interior pole keep away from one end of drill bit on the detachable interior pole extension bar that is connected with.
In the preferred scheme, the one end of extension bar in outer pole and interior pole extension bar be equipped with first screw thread boss and second screw thread boss respectively, extension bar in outer pole and interior pole extension bar are respectively through the tip of first screw thread boss and second screw thread boss threaded connection at outer pole and interior pole.
In the preferred scheme, the outer wall of the drill bit is provided with a spiral body, one end of the drill bit is a drill point, the end face of the other end of the drill bit is provided with a threaded column, the inner wall of one end of the inner rod is provided with an internal thread, and the inner rod and the drill bit are fixedly connected through the internal thread and the threaded column.
In a preferable scheme, the first preformed holes comprise at least two groups, the multiple groups of first preformed holes are distributed at equal intervals along the axial direction of the outer rod, the single group comprises four holes, and the four holes are distributed on the same radial section of the outer rod at 90-degree included angles;
the number and the distribution of the second preformed holes on the inner rod are consistent with those of the first preformed holes on the outer rod.
In the preferred scheme, the outer wall of one end of the outer rod, away from the drill bit, is provided with a first alignment notch, the outer wall of one end of the inner rod, away from the drill bit, is provided with a second alignment notch, and the outer walls of the outer rod extension rod and the inner rod extension rod are provided with third alignment notches.
In a preferred scheme, the first alignment notch, the second alignment notch and the third alignment notch all comprise four groove bodies, the four groove bodies are arranged at an included angle of 90 degrees, and the four groove bodies are axially arranged along the rod piece;
in a preferred scheme, the first alignment notch and the first reserved hole are arranged in alignment, the second alignment notch and the second reserved hole are arranged in alignment, and the third alignment notch on the outer rod and the third alignment notch on the inner rod are respectively arranged in alignment with the first reserved hole and the second reserved hole.
In a preferable scheme, the outer rod is further provided with a handle on the outer wall of one end far away from the drill bit.
The utility model provides a device for side slope stock drilling construction through adopting above-mentioned structure, has following beneficial effect:
(1) the integrated construction process of drilling, hole cleaning and grouting is realized, and the problems of boring collapse caused by the complicated construction process and the influence of repeated pulling-out of a boring sleeve on the construction quality of the conventional anchor rod construction boring equipment can be solved;
(2) the length requirements of the conventional drill rods of 7m, 9m and 12m can be met by adding the extension rod.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the drill structure of the present invention.
Fig. 3 is a top view of the outer rod structure of the present invention.
Fig. 4 is a schematic view of the inner rod structure of the present invention.
Fig. 5 is a schematic structural view of the extension rod of the present invention.
Fig. 6 is a schematic structural view of the inner rod extension rod of the present invention.
In the figure: drill bit 1, outer pole 2, outer pole extension bar 2 ', interior pole 3, interior pole extension bar 3 ', drill point 4, spirochaeta 5, threaded column 6, first preformed hole 7, second preformed hole 7 ', first alignment grooving 8, second alignment grooving 8 ', third alignment grooving 8 ' ', handle 9, internal thread 10, first screw boss 11, second screw boss 11 '.
Detailed Description
As shown in fig. 1 to 6, the device for drilling the side slope anchor rod comprises a drill bit 1, an outer rod 2 and an inner rod 3 arranged inside the outer rod 2;
the drill bit 1 is arranged at one end of the inner rod 3, and a first preformed hole 7 is formed in the outer wall of one end, close to the drill bit 1, of the inner rod 3;
the outer rod 2 is sleeved on the outer wall of the inner rod 3, the outer rod 2 is in transition fit with the inner rod 3, one end of the outer rod 2 is in contact with the drill bit 1, and a second preformed hole 7' is formed in the outer wall of one end, close to the drill bit 1, of the outer rod 2.
In the preferred scheme, one end of the outer rod 2, which is far away from the drill bit 1, is detachably connected with an outer rod extension rod 2 ', and one end of the inner rod 3, which is far away from the drill bit 1, is detachably connected with an inner rod extension rod 3'.
In the preferred scheme, one end of the outer rod extension bar 2 'and one end of the inner rod extension bar 3' are respectively provided with a first thread boss 11 and a second thread boss 11 ', and the outer rod extension bar 2' and the inner rod extension bar 3 'are respectively in threaded connection with the end parts of the outer rod 2 and the inner rod 3 through the first thread boss 11 and the second thread boss 11'.
In the preferred scheme, the outer wall of the drill bit 1 is provided with a spiral body 5, one end of the drill bit 1 is a drill tip 4, the end face of the other end of the drill bit is provided with a threaded column 6, the inner wall of one end of the inner rod 3 is provided with an internal thread 10, and the inner rod 3 and the drill bit 1 are fixedly connected through the internal thread 10 and the threaded column 6 in a threaded manner.
In a preferable scheme, the first preformed holes 7 comprise at least two groups, the multiple groups of first preformed holes 7 are distributed at equal intervals along the axial direction of the outer rod 2, and the single group comprises four holes which are distributed on the same radial section of the outer rod 2 at 90-degree included angles;
the number and distribution of the second preformed holes 7' on the inner rod 3 are the same as the number and distribution of the first preformed holes 7 on the outer rod 2.
In the preferred scheme, the outer wall of one end of the outer rod 2, which is far away from the drill bit 1, is provided with a first alignment notch 8, the outer wall of one end of the inner rod 3, which is far away from the drill bit 1, is provided with a second alignment notch 8 ', and the outer walls of the outer rod extension rod 2' and the inner rod extension rod 3 'are provided with third alignment notches 8'.
In the preferred scheme, the first alignment notch 8, the second alignment notch 8' and the third alignment notch 8 ″ respectively comprise four groove bodies, the four groove bodies are arranged at an included angle of 90 degrees, and the four groove bodies are axially arranged along the rod piece;
in a preferred embodiment, the first alignment notch 8 is aligned with the first prepared hole 7, the second alignment notch 8 ' is aligned with the second prepared hole 7 ', and the third alignment notch 8 ″ of the outer rod 2 and the inner rod 3 are aligned with the first prepared hole 7 and the second prepared hole 7 ', respectively.
In a preferred scheme, the outer rod 2 is further provided with a handle 9 on the outer wall of one end far away from the drill bit 1.
The working principle is as follows:
as shown in fig. 1, the spiral body 5 protruding from the anchor rod drill bit 1 and the threaded column 6 at the end of the drill bit are all set according to the specifications commonly used in the existing industries such as highway, municipal administration, building and the like; the rear end of the drill bit is provided with a threaded column 6 for connecting an inner rod 3, and the inner rod 3 'and the outer rod 2' are connected with the inner rod 3 and the outer rod 2, so that the drill bit 1 can be externally connected with drill rods with different lengths and has universality.
During the construction with drill bit 1, compound drilling rod to rig, the rig is used for driving interior pole, before drilling, makes the first alignment notch 8 and the dislocation of the second alignment notch 8 'of outer pole 2 and 3 tip of interior pole 45 for the first preformed hole 7 and the dislocation of second preformed hole 7' at outer pole 2 and 3 tops of interior pole, thereby reach the drilling rod top and seal the purpose, make things convenient for drill bit 1 to bore, the adjustment is finished the back and is drilled.
After boring to the design degree of depth, outer pole 2 and interior pole 3, the first alignment notch 8 and the second alignment notch 8 'in outer pole 2 and interior pole 3 below in the alignment for the synchronous alignment of the first preformed hole 7 in drilling rod top and second preformed hole 7', the clear water of impressing in 3 cavity bodys in the rethread, the clear water of impressing flows out in the trompil that aligns in the interior outer basic rod top, carry the hole sediment to flow out along the space of interior pole 3 with the pore wall from the design hole depth, whether the clear hole finishes from the quality of water condition judgement that the orifice of a river returned.
Further, after the hole is cleaned, keeping the first preformed hole 7 and the second preformed hole 7' at the top end of the drill rod aligned, inserting the anchor rod into the hollow cavity of the inner rod 3, pressing in mud from the hole opening after the anchor rod reaches the designed depth, slowly rotating the inner rod 3 after the mud is pressed in from the hole opening at the top end of the drill rod, separating the outer rod 2 and the inner rod 3 from the drill bit, and slowly pulling out the outer rod 2 and the inner rod 3 until the hole is fully drilled by mud when the hole opening continues to press in the mud.
The outer rod 2 and the inner rod 3 can be repeatedly used after being completely pulled out and cleaned.
Claims (9)
1. The utility model provides a device for side slope stock drilling construction, includes drill bit (1), characterized by: the device also comprises an outer rod (2) and an inner rod (3) arranged inside the outer rod (2);
the drill bit (1) is arranged at one end of the inner rod (3), and a first preformed hole (7) is formed in the outer wall of one end, close to the drill bit (1), of the inner rod (3);
outer pole (2) cover establish in interior pole (3) outer wall, transition fit between outer pole (2) and interior pole (3), outer pole (2) one end and drill bit (1) contact are equipped with second preformed hole (7') on the outer wall of outer pole (2) one end that is close to drill bit (1).
2. A device for use in side slope rock bolt drilling operations according to claim 1, wherein: one of outer pole (2) keep away from drill bit (1) on detachable outer pole extension bar (2 ') that is connected with, interior pole (3) keep away from one of drill bit (1) and serve detachable interior pole extension bar (3') that is connected with.
3. A device for use in side slope rock bolt drilling operations according to claim 2, wherein: one end of the outer rod extension bar (2 ') and one end of the inner rod extension bar (3') are respectively provided with a first thread boss (11) and a second thread boss (11 '), and the outer rod extension bar (2') and the inner rod extension bar (3 ') are respectively in threaded connection with the end parts of the outer rod (2) and the inner rod (3) through the first thread boss (11) and the second thread boss (11').
4. A device for use in side slope rock bolt drilling operations according to claim 1, wherein: the drill bit is characterized in that a spiral body (5) is arranged on the outer wall of the drill bit (1), one end of the drill bit (1) is a drill point (4), a threaded column (6) is arranged on the end face of the other end of the drill bit, an internal thread (10) is arranged on the inner wall of one end of the inner rod (3), and the inner rod (3) and the drill bit (1) are fixedly connected with the threaded column (6) through the internal thread (10).
5. A device for use in side slope rock bolt drilling operations according to claim 2, wherein: the first preformed holes (7) comprise at least two groups, the multiple groups of first preformed holes (7) are distributed at equal intervals along the axial direction of the outer rod (2), and the single group comprises four holes which are distributed on the same radial section of the outer rod (2) at 90-degree included angles;
the number and the distribution of the second preformed holes (7') on the inner rod (3) are consistent with the number and the parts of the first preformed holes (7) on the outer rod (2).
6. A device for use in side slope rock bolt drilling operations according to claim 5, wherein: the outer rod (2) is provided with a first alignment notch (8) on the outer wall of the end far away from the drill bit (1), the inner rod (3) is provided with a second alignment notch (8 ') on the outer wall of the end far away from the drill bit (1), and the outer rod extension rod (2') and the inner rod extension rod (3 ') are provided with third alignment notches (8').
7. A device for use in side slope rock bolt drilling operations according to claim 6, wherein: the first alignment notch (8), the second alignment notch (8 ') and the third alignment notch (8 ' ') comprise four groove bodies, the four groove bodies are arranged at 90-degree included angles, and the four groove bodies are axially arranged along the rod piece.
8. A device for use in a side slope rock bolt drilling operation according to claim 7, wherein: the first alignment notch groove (8) is aligned with the first reserved hole (7), the second alignment notch groove (8 ') is aligned with the second reserved hole (7 '), and the third alignment notch groove (8 ' ') on the outer rod (2) and the inner rod (3) are aligned with the first reserved hole (7) and the second reserved hole (7 ') respectively.
9. A device for use in a side slope rock bolt drilling operation according to claim 8, wherein: the outer rod (2) is further provided with a handle (9) on the outer wall of one end far away from the drill bit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021070145.6U CN212641444U (en) | 2020-06-11 | 2020-06-11 | Device for drilling construction of side slope anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021070145.6U CN212641444U (en) | 2020-06-11 | 2020-06-11 | Device for drilling construction of side slope anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212641444U true CN212641444U (en) | 2021-03-02 |
Family
ID=74790248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021070145.6U Active CN212641444U (en) | 2020-06-11 | 2020-06-11 | Device for drilling construction of side slope anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212641444U (en) |
-
2020
- 2020-06-11 CN CN202021070145.6U patent/CN212641444U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110043187B (en) | Hydraulic diameter-variable reaming bit of long spiral drilling machine and construction method of cast-in-place pile | |
| CN101806061B (en) | Anchorage unit and construction method using same to ream ground anchor | |
| CN202007640U (en) | Fractured formation corer driven by spiral drilling rig | |
| CN111997045B (en) | Combined screw pile and using method thereof | |
| CN207122284U (en) | Expand ground drilling tool | |
| CN212641444U (en) | Device for drilling construction of side slope anchor rod | |
| CN106049462A (en) | Displacement pile and construction method and drilling tool thereof | |
| CN201062357Y (en) | Reaming bit for end oversized grout pile | |
| CN2159450Y (en) | Casing drill | |
| CN2818551Y (en) | Assembled steel guard cylinder | |
| CN215565816U (en) | Dig a stake machine underwater scarfing cinder section of thick bamboo soon | |
| JP2004137760A (en) | Construction method of double pipe digging lock bolt making use of boring rod | |
| CN208501676U (en) | A kind of screw rod pile and combined drilling tool | |
| CN106836228A (en) | Filling type stake hollow drill | |
| CN200978624Y (en) | Salvaging type casing drilling surface dedicated drill bit | |
| CN109162642B (en) | Power guiding casing pipe running device for inclined hole section of weak stratum | |
| CN108894744B (en) | Device for breaking boulder stuck drill | |
| CN220167884U (en) | Double-core drill bit for construction engineering | |
| CN111997522A (en) | Drilling device penetrating through underground deep-buried waste pipeline and cast-in-place pile construction method | |
| CN111778969A (en) | Double-sleeve type full-rotation super-long pile construction tool and construction method | |
| CN219081623U (en) | Removable core formula stock | |
| CN201158819Y (en) | Self-propelling anchoring-rob capable of exhaustion | |
| CN205778551U (en) | A kind of Squeezing Soil Pile pile-forming drilling tool | |
| CN113530433B (en) | Triaxial reducing stirring drill rod | |
| CN219710307U (en) | Device for removing soil in pile core of tubular pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |