CN216198194U - Anchor rope strikes bores auger stem for pore-forming - Google Patents
Anchor rope strikes bores auger stem for pore-forming Download PDFInfo
- Publication number
- CN216198194U CN216198194U CN202122569228.0U CN202122569228U CN216198194U CN 216198194 U CN216198194 U CN 216198194U CN 202122569228 U CN202122569228 U CN 202122569228U CN 216198194 U CN216198194 U CN 216198194U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- hole
- rod
- drilling
- drill
- 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 discloses an auger stem for anchor cable percussion drilling, which comprises a stem body, wherein a drill bit connector is arranged at the end part of the stem body, a drill bit is arranged at the end part of the drill bit connector, and helical blades are arranged on the periphery of the stem body and can take drilling slag out of a hole in the drilling process. The top surface of drill bit is the arc surface, and the top surface is connected on the face of cylinder, has seted up a plurality of venthole on the face of cylinder, and the face of cylinder meets with the drill bit connector, and the drill bit connector is the hollow pipe with the body of rod, can let in pressure gas drill bit. According to the anchor cable hole drilling device, the spiral blade is arranged on the periphery of the rod body, and the spiral blade can bring drilling slag out of the hole in the drilling process, so that when a deeper anchor cable hole is dealt with, the probability of drill burying and drill blocking is greatly reduced, and meanwhile, the drill burying and drill blocking phenomena are greatly reduced, and the hole forming speed is correspondingly and greatly improved. The utility model has simple structure and convenient operation, and can effectively reduce the construction cost.
Description
Technical Field
The utility model relates to the technical field of drill rods, in particular to a spiral drill rod for forming holes by impact drilling of anchor cables.
Background
Anchor cables are widely used for slope reinforcement, and a prestressed anchor cable is formed by drilling a hole through a weak rock stratum or a sliding surface, anchoring one end (anchor rod) in a hard rock stratum (called an inner anchor head), and then tensioning the other free end (called an outer anchor head) so as to apply pressure to the rock stratum to anchor an unstable rock body.
The anchor cable hole is drilled in the construction process, and the hole is formed through impact drilling by matching an impact drilling machine and an air compressor, connecting a long drill rod to the designed depth while impacting, and then slowly pulling out the drill rod to form the anchor cable hole.
The traditional drill rod is made of a hollow seamless steel pipe with the wall thickness of 14mm and the diameter of 76mm, and drilling slag is blown out by an air compressor through a drill bit during hole forming. However, when the anchor cable hole is deep, slag is difficult to discharge, and phenomena of drill burying and drill blocking are easily caused, so that the hole forming speed is influenced. The effect is not ideal after the measures of slowing down the pore-forming speed, increasing the capacity of the air compressor, repeatedly sweeping the pores and the like are adopted for treatment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art, and provides the spiral drill rod for the anchor cable percussion drill hole forming, which is convenient to carry soil in the anchor cable hole forming process, improves the soil and slag carrying capacity and greatly improves the hole forming speed.
In order to achieve the purpose, the utility model has the following technical scheme:
the utility model provides an anchor rope strikes bores auger stem for pore-forming, includes the body of rod, and the tip of the body of rod sets up drill bit connector, and the tip of drill bit connector sets up the drill bit, body of rod periphery be provided with helical blade, helical blade can take the drilling mud out of the hole at drilling process.
As a preferred scheme of the utility model, the top surface of the drill bit is an arc surface, the top surface is connected to a cylindrical surface, the cylindrical surface is provided with a plurality of air outlets, the cylindrical surface is connected with a drill bit connector, and the drill bit connector and the rod body are both hollow round tubes, so that pressure air can be introduced into the drill bit.
In a preferred embodiment of the present invention, the diameter of the cylindrical surface of the drill bit is larger than the diameter of the drill bit connector, and the diameter of the drill bit connector is larger than the diameter of the rod body.
In a preferred embodiment of the present invention, the drill bit and the drill bit connector and the rod body are transited by a chamfer surface.
As a preferable scheme of the present invention, an extension surface is disposed at one end of the chamfer facing the rod body of the drill connector connecting rod body.
In a preferred embodiment of the present invention, the width of the helical blade is equal to half of the difference between the hole diameter of the hole and the diameter of the rod body.
As a preferable scheme of the utility model, the helical blades are uniformly arranged on the periphery of the rod body, and the helical blades are welded on the rod body and the transition of the connection part is smooth.
In a preferable mode of the utility model, the distance between the spiral blades is 80mm-120mm, and the thickness of the spiral blade is 5 mm.
Compared with the prior art, the utility model has the following beneficial effects:
according to the anchor cable hole drilling device, the spiral blade is arranged on the periphery of the rod body, and the spiral blade can bring drilling slag out of the hole in the drilling process, so that when a deeper anchor cable hole is dealt with, compared with the measures of slowing down the hole forming speed, increasing the capacity of an air compressor, repeatedly sweeping the hole and the like, the probability of drill burying and drill jamming is greatly reduced, and meanwhile, the hole forming speed is correspondingly and greatly improved due to the fact that the phenomena of drill burying and drill jamming are greatly reduced. The utility model has simple structure and convenient operation, and can effectively reduce the construction cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural view of a spiral drill rod for hole drilling by impact drilling of an anchor cable according to the present invention;
in the drawings: 1-helical blades; 2-a rod body; 3-a drill bit connector; 4-a drill bit.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular power machine configurations, drill rods, bushings, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details.
Referring to fig. 1, the embodiment of the auger stem for drilling holes by impact drilling of anchor cables of the utility model comprises a rod body 2, wherein a drill bit connector 3 is arranged at the end part of the rod body 2, a drill bit 4 is arranged at the end part of the drill bit connector 3, the top surface of the drill bit 4 is an arc surface and is connected to a cylindrical surface, a plurality of air outlet holes are arranged on the cylindrical surface, the cylindrical surface is connected with the drill bit connector 3, and the drill bit connector 3 and the rod body 2 are both hollow round tubes and can be connected with an air compressor to introduce pressure gas into the drill bit 4. The cylindrical surface diameter of drill bit 4 is greater than the diameter of drill bit connector 3, and the diameter of drill bit connector 3 is greater than the diameter of the body of rod 2, as shown in the figure, passes through the chamfer face transition between drill bit 4 and the drill bit connector 3 and between drill bit connector 3 and the body of rod 2, the chamfer of the body of rod 2 is connected to drill bit connector 3 is provided with the face of extending towards body of rod 2 one end, guarantees to connect reliably each other. The periphery of the rod body 2 is provided with the helical blade 1, and the helical blade 1 can bring the drilling slag out of the hole in the drilling process.
In one embodiment, the width of the helical blade 1 is equal to half the difference between the bore diameter of the bore and the diameter of the shaft 2. The even setting of helical blade 1 is in the body of rod 2 periphery, and helical blade 1 welding sets up on the body of rod 2 and the junction transition is mild. The size of the distance L between the spiral blades 1 is 80mm-120mm, and the thickness of the spiral blades 1 is 5 mm. In the use process, the connection quality between the helical blade 1 and the rod body 2 is checked before each shift, and the smooth construction is ensured.
The utility model has simple structure, can be realized by locally reforming the existing drill rod, and is simple and easy to implement. According to the anchor cable hole forming device, the generated drilling slag can be reliably brought out of the hole in the drilling rod hole forming process through the blades, the soil is conveniently carried in the anchor cable hole forming process, the soil-discharging and slag-carrying capacity is improved, the hole forming speed is greatly improved, and the phenomena of drill burying and drill sticking are greatly reduced.
The utility model effectively saves the construction cost, has simple and convenient operation and higher safety performance. Through practice, the spiral drill rod for drilling holes by impact drilling of the anchor cable has remarkable effect and has good popularization and application prospects in the future.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and it should be understood by those skilled in the art that the technical solution can be modified and replaced by a plurality of simple modifications and replacements without departing from the spirit and principle of the present invention, and the modifications and replacements also fall into the protection scope covered by the claims.
Claims (8)
1. The utility model provides an anchor rope strikes bores auger stem for hole-forming which characterized in that: including the body of rod (2), the tip of the body of rod (2) sets up drill bit connector (3), and the tip of drill bit connector (3) sets up drill bit (4), body of rod (2) periphery be provided with helical blade (1), helical blade (1) can take the drilling mud out of the hole at drilling process.
2. The auger stem for percussive drilling of a hole in an anchor cable as set forth in claim 1, wherein: the top surface of drill bit (4) is the arc surface, and the top surface is connected on the face of cylinder, has seted up a plurality of venthole on the face of cylinder, and the face of cylinder meets with drill bit connector (3), and drill bit connector (3) are the cavity pipe with the body of rod (2), can let in drill bit (4) with pressure gas.
3. The auger stem for percussive drilling of a hole in an anchor cable as set forth in claim 2, wherein: the diameter of the cylindrical surface of the drill bit (4) is larger than that of the drill bit connector (3), and the diameter of the drill bit connector (3) is larger than that of the rod body (2).
4. The auger stem for percussive drilling of a hole according to claim 3, wherein: the drill bit (4) and the drill bit connector (3) and the rod body (2) are transited through chamfer surfaces.
5. The auger stem for percussive drilling of a hole according to claim 4, wherein: the chamfer of the drill bit connector (3) connecting rod body (2) is provided with an extension surface facing one end of the rod body (2).
6. The auger stem for percussive drilling of a hole in an anchor cable as set forth in claim 1, wherein: the width of the helical blade (1) is equal to half of the difference between the aperture of the formed hole and the diameter of the rod body (2).
7. The auger stem for percussive drilling of a hole in an anchor cable as set forth in claim 1, wherein: helical blade (1) evenly set up body of rod (2) periphery, helical blade (1) welding is on the body of rod (2) and the junction transition is gentle.
8. The auger stem for percussive drilling of a hole in an anchor cable as set forth in claim 7, wherein: the pitch size between helical blade (1) is 80mm-120mm, the thickness of helical blade (1) is 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122569228.0U CN216198194U (en) | 2021-10-25 | 2021-10-25 | Anchor rope strikes bores auger stem for pore-forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122569228.0U CN216198194U (en) | 2021-10-25 | 2021-10-25 | Anchor rope strikes bores auger stem for pore-forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216198194U true CN216198194U (en) | 2022-04-05 |
Family
ID=80888704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122569228.0U Active CN216198194U (en) | 2021-10-25 | 2021-10-25 | Anchor rope strikes bores auger stem for pore-forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216198194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687693A (en) * | 2022-04-28 | 2022-07-01 | 陕西建工机械施工集团有限公司 | Rotary excavating hole bottom sediment cleaning device and method |
-
2021
- 2021-10-25 CN CN202122569228.0U patent/CN216198194U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687693A (en) * | 2022-04-28 | 2022-07-01 | 陕西建工机械施工集团有限公司 | Rotary excavating hole bottom sediment cleaning device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203594367U (en) | Spiral half soil squeezing and dumping drilling tool | |
| CN216198194U (en) | Anchor rope strikes bores auger stem for pore-forming | |
| CN207332770U (en) | A kind of Spiral digging machine screw extrusion is into drill | |
| CN112324322A (en) | Rock-soil drilling device, follow-drilling pipe pile and rock-soil drilling method | |
| JP2007107372A (en) | Partial double-tube lock bolt construction method | |
| CN201050303Y (en) | Self-dumping cone type spiral anchor drill bit | |
| CN213061989U (en) | High-pressure rotary spraying device | |
| CN206769819U (en) | Broken screw thread deslagging bottom plate efficient drilling drill bit device in a kind of outer brill | |
| CN110645033A (en) | Device and method for deep grouting in sandy cobble stratum shield construction tunnel | |
| CN204492646U (en) | Bore broken integrated sluicing internal discharging type tunnel drilling tool | |
| CN203822169U (en) | Drilling type anchor rod | |
| CN212508056U (en) | Ground creeps into device, follows tubular pile along with boring | |
| CN206477802U (en) | Breakdown electric drill drilling rod | |
| CN113699993A (en) | Grouting method for existing roadbed steel floral tube | |
| CN106836228A (en) | Filling type stake hollow drill | |
| CN111877991A (en) | Pneumatic percussion drill bit | |
| CN108798528B (en) | Drill bit for breaking waste pipe piles and method for breaking waste pipe piles and filling new piles | |
| CN207498944U (en) | The guard aperture casing of ultra-deep jet groutinl guide hole | |
| CN206599784U (en) | Filling type stake hollow drill | |
| CN111636910A (en) | Grouting method and press-in type hollow grouting anchor pipe | |
| CN213358637U (en) | Corrosion-resistant anchor rod | |
| CN204849735U (en) | Weak crowded native precast pile of opening type | |
| CN212479077U (en) | Pneumatic percussion drill bit | |
| CN214944022U (en) | Barrel drill cleaner of rotary drilling rig | |
| CN110939395A (en) | Construction equipment and method for variable-diameter plain concrete pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |