CN209838306U - Drill bit for three-axis or five-axis pile driver - Google Patents
Drill bit for three-axis or five-axis pile driver Download PDFInfo
- Publication number
- CN209838306U CN209838306U CN201920663220.0U CN201920663220U CN209838306U CN 209838306 U CN209838306 U CN 209838306U CN 201920663220 U CN201920663220 U CN 201920663220U CN 209838306 U CN209838306 U CN 209838306U
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- CN
- China
- Prior art keywords
- working
- drill bit
- soil
- teeth
- base body
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- 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.)
- Expired - Fee Related
Links
- 239000002689 soil Substances 0.000 claims abstract description 58
- 238000005553 drilling Methods 0.000 claims abstract description 43
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 239000011435 rock Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a be used for triaxial or five pile driver drill bits, including drilling rod and drill bit body, the drill bit body, its characterized in that are installed to the drilling rod lower extreme: the drill bit body sequentially comprises a soil contact part and a working part from top to bottom, the soil contact part comprises a soil contact base body and a plurality of soil contact drill teeth, a plurality of soil discharge ports are formed in the soil contact base body, and a plurality of soil contact drill teeth are arranged on the working end face of the soil contact base body; the working portion comprises a working base body, a plurality of auxiliary drilling teeth, a main drill bit and a plurality of working drilling teeth, the plurality of auxiliary drilling teeth and the main drill bit are arranged at the bottom end of the working base body, the auxiliary drilling teeth are distributed on two sides of the main drill bit, and the plurality of working drilling teeth are arranged on the outer ring of the working base body. The utility model discloses simple structure can not receive the influence of rock in the soil property and unable drilling downwards at the pile driving in-process.
Description
Technical Field
The utility model relates to a pile driver drill bit technical field especially relates to triaxial or five pile driver drill bits.
Background
The pile driver is one of the main machines for earthwork construction, and is widely applied to the construction of building engineering. The function of the pile driver bit is to form a hole in the ground. The most typical pile driver bit today is a helical bit, which expels the soil through the rotation of a helical blade. See the "long screw pile driver bit" published under the grant CN201820691811.4, which discharges the soil through the helical blades, but this approach has two disadvantages: firstly, rocks are certainly existed in the geology in the drilling process, the rocks are easily clamped on the spiral blades, the whole drill bit cannot continue to work along with the increase of the rock accumulation amount, and therefore the construction period is prolonged, and the pile driver is damaged; secondly, helical blade all is very long, all can have some hard matters in the soil property can damage helical blade when drilling, and the helical blade drill bit that damages just can not continue to drill the work, needs to change helical blade, and it is very troublesome nevertheless to change helical blade.
Therefore, a pile driver drill bit which is not influenced by rocks in soil, can continue normal drilling, has a simple structure and is convenient to maintain is particularly needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the weak point among the above-mentioned prior art and provide one kind and do not receive the influence of rock in the soil property and can continue normal drilling, simple structure, easy maintenance's pile driver drill bit moreover.
The utility model discloses a realize through following mode:
including drilling rod and drill bit body, the drill bit body, its characterized in that are installed to the drilling rod lower extreme: the drill bit body sequentially comprises a soil contact part and a working part from top to bottom, the soil contact part comprises a soil contact base body and a plurality of soil contact drill teeth, a plurality of soil discharge openings are formed in the soil contact base body, and a plurality of soil contact drill teeth are arranged on the working end face of the soil contact base body; the working portion comprises a working base body, a plurality of auxiliary drilling teeth, a main drill bit and a plurality of working drilling teeth, the plurality of auxiliary drilling teeth and the main drill bit are arranged at the bottom end of the working base body, the auxiliary drilling teeth are distributed on two sides of the main drill bit, and the plurality of working drilling teeth are arranged on the outer ring of the working base body.
Further, it is two round platform structures to touch the native base member, touch the native base member and be equipped with spiral groove shaped's mouth of dumping along the even vertical interval of circumference, it is provided with the reinforcement subassembly on the native base member to touch.
Further, the reinforcing assembly comprises a first reinforcing plate, a second reinforcing plate and a connecting plate, and the first reinforcing plate is connected with the second reinforcing plate through the connecting plate.
Furthermore, the working base body is of a circular truncated cone structure.
Furthermore, the arrangement of the soil-contacting drilling teeth and the working drilling teeth forms a spiral structure.
The beneficial effects of the utility model reside in that: the drill bit can continue normal drilling at the drilling in-process not influenced by rock in the soil property, simple structure, and the rock can be discharged through the soil discharge port together with soil, and too big rock also can be discharged or be crowded in the soil property of surrounding from the soil discharge port again because the rotation of drill bit is smashed. The drill teeth are independent, and the drill teeth can be reused only by replacing damaged drill teeth during maintenance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the soil-contacting portion of the present invention;
FIG. 3 is a schematic view of the mechanism of the soil-contacting substrate of the present invention;
FIG. 4 is a schematic view of the structure of the working portion of the present invention;
fig. 5 is a schematic view of the bottom view structure of the present invention.
1. A drill stem; 2. a drill bit body; 3. a soil discharge port; 4. a reinforcement assembly; 21. a soil-contacting portion; 22. a working part; 41. a first reinforcing plate; 42. a second reinforcing plate; 43. a connecting plate; 211. contacting the soil matrix; 212. drilling teeth by touching soil; 221. a working substrate; 222. auxiliary tooth drilling; 223. a main drill bit; 224. and (5) working drill teeth.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made 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, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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.
Example (b):
a be used for triaxial or five pile driver drill bits, as shown in fig. 1-5, including drilling rod 1 and drill bit body 2, its characterized in that are installed to drilling rod 1 lower extreme: the drill bit body 2 is sequentially provided with a soil contact part 21 and a working part 22 from top to bottom, the soil contact part 21 comprises a soil contact base 211 and a plurality of soil contact drill teeth 212, the soil contact base 211 is provided with a plurality of soil discharge openings 3, and the working end face of the soil contact base 211 is provided with a plurality of soil contact drill teeth 212; the working part 22 comprises a working base 221, a plurality of auxiliary drill teeth 222, a main drill bit 223 and a plurality of working drill teeth 224, the plurality of auxiliary drill teeth 222 and the main drill bit 223 are arranged at the bottom end of the working base 221, the auxiliary drill teeth 222 are distributed on two sides of the main drill bit 223, and the plurality of working drill teeth 224 are arranged on the outer ring of the working base 221.
Further, it is two round platform structures to touch soil matrix 211, touch soil matrix 211 and be equipped with spiral groove shaped soil discharge opening 3 along the even vertical interval of circumference, be provided with on the soil matrix 211 and strengthen the subassembly 4.
Further, the reinforcing assembly 4 includes a first reinforcing plate 41, a second reinforcing plate 42 and a connecting plate 43, wherein the first reinforcing plate 41 is connected with the second reinforcing plate 42 through the connecting plate 43.
Further, the working substrate 221 has a truncated cone structure.
Further the arrangement of the earth-engaging teeth 212 and the working teeth 224 forms a helix.
In this embodiment, when the drill rod 1 starts to rotate, the drill bit body 2 is driven to rotate, and the main drill bit 223 and the auxiliary drill teeth 222 at the bottom end of the working base 221 drill the earth surface. Along with the device is deep, thereby the arrangement of the earth-touching drilling teeth 212 and the working drilling teeth 224 on the drill bit body 2 shown in fig. 1 forms a helical structure to replace the traditional helical blade type drilling, not only the advantages of the original helical blade are kept, but also the problem that the helical blade is blocked by rocks or other hard objects to prevent the drill bit from rotating is solved, the rocks or other hard objects can be discharged together with soil through the soil discharge port 3, and the earth-touching base body 211 is provided with the helical groove-shaped soil discharge port 3 along the circumferential uniform vertical spacing, so that the soil and other materials can be discharged through the soil discharge port 3 conveniently. Too large rocks or other hard objects are crushed by the rotation of the drill bit and discharged from the soil discharge opening 3 or squeezed into the surrounding soil without affecting the normal drilling. Because the drill teeth are independent, the drill teeth can be reused only by replacing the damaged drill teeth during maintenance, and the drilling work cannot be influenced even if the damaged drill teeth are excessive in number during the use process. In order to prevent the earth contacting substrate 211 from being broken by force during the discharging process of the earth and other materials through the earth discharging opening 3, the earth contacting substrate 211 is provided with a reinforcing component 4.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A be used for triaxial or five pile driver drill bits, including drilling rod (1) and drill bit body (2), its characterized in that are installed to drilling rod (1) lower extreme: the drill bit body (2) sequentially comprises a soil contact part (21) and a working part (22) from top to bottom, the soil contact part (21) comprises a soil contact base body (211) and a plurality of soil contact drilling teeth (212), a plurality of soil discharge openings (3) are formed in the soil contact base body (211), and a plurality of soil contact drilling teeth (212) are arranged on the working end face of the soil contact base body (211); the working portion (22) comprises a working base body (221), a plurality of auxiliary drilling teeth (222), a main drill bit (223) and a plurality of working drilling teeth (224), the bottom end of the working base body (221) is provided with the plurality of auxiliary drilling teeth (222) and the main drill bit (223), the auxiliary drilling teeth (222) are distributed on two sides of the main drill bit (223), and the outer ring of the working base body (221) is provided with the plurality of working drilling teeth (224).
2. A drill bit for a three-or five-axis pile driver as claimed in claim 1, wherein: it is two round platform structures to touch native base member (211), touch native base member (211) and be equipped with spiral groove form soil discharge mouth (3) along the even vertical interval of circumference, it is provided with on the native base member (211) and strengthens subassembly (4) to touch.
3. A drill bit for a three-or five-axis pile driver as claimed in claim 2, wherein: the reinforcing assembly (4) comprises a first reinforcing plate (41), a second reinforcing plate (42) and a connecting plate (43), wherein the first reinforcing plate (41) is connected with the second reinforcing plate (42) through the connecting plate (43).
4. A drill bit for a three-or five-axis pile driver as claimed in claim 1, wherein: the working base body (221) is of a circular truncated cone structure.
5. A drill bit for a three-or five-axis pile driver as claimed in claim 1, wherein: the earth-engaging drilling teeth (212) and the working drilling teeth (224) are arranged to form a helix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920663220.0U CN209838306U (en) | 2019-05-09 | 2019-05-09 | Drill bit for three-axis or five-axis pile driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920663220.0U CN209838306U (en) | 2019-05-09 | 2019-05-09 | Drill bit for three-axis or five-axis pile driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209838306U true CN209838306U (en) | 2019-12-24 |
Family
ID=68916116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920663220.0U Expired - Fee Related CN209838306U (en) | 2019-05-09 | 2019-05-09 | Drill bit for three-axis or five-axis pile driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209838306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022112989A1 (en) * | 2020-11-25 | 2022-06-02 | Build King (Zens) Engineering Limited | Column formation tools |
-
2019
- 2019-05-09 CN CN201920663220.0U patent/CN209838306U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022112989A1 (en) * | 2020-11-25 | 2022-06-02 | Build King (Zens) Engineering Limited | Column formation tools |
| GB2615707A (en) * | 2020-11-25 | 2023-08-16 | Build King Zens Engineering Ltd | Column formation tools |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |