CN217270013U - A novel drill bit structure for digging rig embedded rock bored concrete pile construction soon - Google Patents
A novel drill bit structure for digging rig embedded rock bored concrete pile construction soon Download PDFInfo
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- CN217270013U CN217270013U CN202221105042.8U CN202221105042U CN217270013U CN 217270013 U CN217270013 U CN 217270013U CN 202221105042 U CN202221105042 U CN 202221105042U CN 217270013 U CN217270013 U CN 217270013U
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Abstract
The utility model discloses a novel drill bit structure for digging rig embedded rock bored concrete pile construction soon, include: the drill bit body comprises a main body part and a cutting part connected with the main body part, a rock embedding space is arranged in the main body part, and a propping part is convexly extended inwards on the inner wall of the rock embedding space; when the abutting piece abuts against the rock, the drill bit body stops rotating; the buffering component is connected with the drill bit body and reduces the buffering force of the drill bit body during working; the connecting assembly comprises a drill rod and a connecting piece, and the drill rod is connected with the rotary drilling rig through the connecting piece; by arranging the abutting piece on the inner wall of the rock embedding space, when the abutting piece abuts against the rock, the drill bit body stops rotating, the drilling depth of the rock body can be effectively controlled, the situations of over drilling and under drilling are prevented, secondary construction is further caused, and the construction efficiency is improved; through set up the buffering subassembly at drill bit body top, can play effective cushioning effect in drill bit body and rock mass contact process, reduce drill bit body loss.
Description
Technical Field
The utility model relates to a novel drill bit structure for digging rig rock-socketed bored concrete pile construction soon belongs to and digs rig technical field soon.
Background
At present, rotary drilling rigs are mostly adopted in the field of rock-socketed pile construction, and the structure of a drill bit plays a vital role in the rock-socketed pile construction of the rotary drilling rigs.
At present, rotary drilling rigs in the market are provided with electronic monitoring equipment, and data such as depth of penetration, verticality and the like can be reflected in real time. The footage speed is fast in the soil layer drilling process, the construction process is stable, the electronic monitoring data are accurate, but in the rock-socketed pile construction process, the rock stratum footage speed is slow, mechanical vibration and disturbance are large, the electronic monitoring data are prone to deviation, the rock-socketed depth of a pile body cannot be effectively controlled, and the phenomena of over-drilling and under-drilling often occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel drill bit structure for digging rig embedded rock bored concrete pile construction soon can solve traditional digging rig pore-forming embedded rock bored concrete pile pore-forming in-process soon because rock stratum footage speed is slow, mechanical vibration, disturbance are big and lead to electron monitoring data to have the deviation, and the pile body gets into the uncontrollable problem of rock mass degree of depth.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a novel drill bit structure for digging soon rig embedded rock bored concrete pile construction includes:
the drill bit body comprises a main body part and a cutting part connected with the main body part, a rock embedding space is arranged in the main body part, and a propping part is convexly extended inwards from the inner wall of the rock embedding space; when the abutting piece abuts against the rock, the drill bit body stops rotating;
the buffer assembly is connected with the drill bit body and reduces buffer force of the drill bit body during working;
and one end of the connecting component is connected with the buffer component, the other end of the connecting component is connected with the rotary drilling rig, the connecting component comprises a drill rod and a connecting piece, and the drill rod is connected with the rotary drilling rig by the connecting piece.
Furthermore, the supporting piece comprises a plurality of supporting blocks, and the supporting blocks are uniformly distributed.
Further, the number of the holding blocks is four.
Further, the abutting piece is annular.
Furthermore, the peripheral wall of the main body part is provided with an exhaust hole.
Further, the cutting part is an annular alloy tooth.
Further, the buffering assembly comprises a shell, a guide piece positioned in the shell and a buffering piece connected with the guide piece, the guide piece is positioned on the top of the inner wall of the shell, and the shell is connected with the main body part.
Further, the buffer part comprises a movable plate and an elastic part, the movable plate is respectively connected with the guide part and the elastic part, and the elastic part is also connected with the main body part.
Further, the guide piece comprises a guide sleeve and a guide column, wherein the guide column is at least partially positioned in the guide sleeve and can move up and down in the guide sleeve.
Further, the top of the housing has an opening through which the drill rod passes and is connected to the movable plate.
The beneficial effects of the utility model reside in that: the novel drill bit structure for construction of the rock-socketed cast-in-place pile of the rotary drilling rig is provided, the abutting piece is arranged on the inner wall of the rock-socketed space, when the abutting piece abuts against rocks, the drill bit body stops rotating, the rock mass drilling depth can be effectively controlled, the situations of over drilling and under drilling are prevented, further secondary construction is prevented, and the construction efficiency is improved; through set up the buffering subassembly at drill bit body top, can play effective cushioning effect in drill bit body and rock mass contact process, reduce drill bit body loss.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic view of a novel drill bit structure of the present application.
10-rotary drilling rig, 1-drill bit body, 11-main body part, 111-rock embedding space, 112-abutting part, 1121-abutting block, 113-exhaust hole, 12-cutting part, 2-buffering component, 21-shell, 22-guiding part, 221-guide sleeve, 222-guide pillar, 23-buffering component, 231-movable plate, 232-elastic part, 3-connecting component, 31-drill rod and 32-connecting part.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The following detailed description of embodiments of the present application will be described in conjunction with the accompanying drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention of the present application, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood by those of ordinary skill in the art through specific situations.
Referring to fig. 1, a preferred embodiment of the present application provides a novel drill bit structure for construction of a rock-socketed cast-in-place pile of a rotary drilling rig, including: the drilling bit comprises a drilling bit body 1, a buffer assembly 2 connected with the drilling bit body 1 and a connecting assembly 3 respectively connected with the buffer assembly 2 and the rotary drilling rig 10.
The bit body 1 includes a main body portion 11 and a cutting portion 12 connected to the main body portion 11. Specifically, the main body 11 is cylindrical, the cutting part 12 is mounted at one end of the main body 11, and the cutting part 12 is an annular alloy tooth. When the rock-socketed pile construction is required, the cutting part 12 abuts against rocks, the drill bit body 1 rotates along with the rotary drilling rig 10, and then the cutting part 12 cuts the rocks. Optionally, the type of the annular alloy tooth is not unique and can be specifically set according to the strength of the rock mass, and the application does not limit the type of the annular alloy tooth.
The main body 11 has a rock embedding space 111 therein, and the inner wall of the rock embedding space 111 has an abutting member 112 protruding inward, so that when the abutting member 112 abuts against the rock, the drill bit body 1 stops rotating. In this embodiment, the supporting member 112 includes a plurality of supporting blocks 1121, the plurality of supporting blocks 1121 extend from the inner wall of the rock embedding space 111 to the center, and the plurality of supporting blocks 1121 are uniformly distributed. Illustratively, the number of sustaining blocks 1121 is four. In other embodiments, the retainer 112 is ring-shaped.
It should be noted that the position of the holding member 112 is determined according to the design requirement rock-socketed depth, and the present application is not limited to the position of the holding member 112.
In the construction process, along with the rock entering of the drill bit body 1, the rock embedding space 111 of the main body part 11 is gradually filled with the rock, and air exists in the rock embedding space 111 which is not filled with the rock, so that if the air is not exhausted out of the main body part 11, the air pressure in the main body part 11 is too high, and the rock drilling is adversely affected. In order to solve this problem, in the present embodiment, the peripheral wall of the main body 11 is opened with an air outlet hole 113 for discharging air in the rock-socketed space 111.
The buffer component 2 is used for reducing the buffer force of the drill bit body 1 during working and reducing the loss of the drill bit body 1. Specifically, the damping assembly 2 includes a housing 21, a guide 22 disposed in the housing 21, and a damping member 23 connected to the guide 22, wherein the guide 22 is disposed on the top of the inner wall of the housing 21, and the housing 21 is connected to the main body 11. The buffer member 23 includes a movable plate 231 and an elastic member 232, the movable plate 231 is connected to the guide 22 and the elastic member 232, respectively, and the elastic member 232 is further connected to the main body 11. In the present embodiment, the elastic member 232 is a spring. The guide 22 includes a guide sleeve 221 and a guide post 222, the guide sleeve 221 is fixed on the top of the inner wall of the housing 21, and the guide post 222 is at least partially located in the guide sleeve 221 and can move up and down in the guide sleeve 221.
The connecting assembly 3 comprises a drill rod 31 and a connecting piece 32, wherein the connecting piece 32 is used for connecting the drill rod 31 with the rotary drilling rig 10. The housing 21 has an opening (not shown) at the top through which the drill rod 31 passes and is connected to the movable plate 231. It should be noted that, the drill rod 31 is detachably connected to the rotary drilling rig 10, and by such arrangement, the novel drill bit can be replaced at will according to actual conditions.
The novel drill rock stratum pore-forming construction process comprises the following steps: installing the novel drill bit on the rotary drilling rig 10 to drill rocks; when the abutting piece 112 abuts against the rock, the novel drill bit stops rotating; and (4) rechecking the footage data of the electronic equipment by a driver of the rotary drilling rig 10, and performing coring and subsequent hole cleaning operation after determining that the drilling is carried out to the designed depth.
In conclusion, the novel drill bit structure for construction of the rock-socketed cast-in-place pile of the rotary drilling rig is provided, the abutting piece is arranged on the inner wall of the rock-socketed space, when the abutting piece abuts against rocks, the drill bit body stops rotating, the rock mass drilling depth can be effectively controlled, the situations of over drilling and under drilling are prevented, secondary construction is further prevented, and the construction efficiency is improved; through set up the buffering subassembly at drill bit body top, can play effective cushioning effect in drill bit body and rock mass contact process, reduce drill bit body loss.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a novel drill bit structure for digging soon rig rock-socketed bored concrete pile construction which characterized in that includes:
the drill bit body comprises a main body part and a cutting part connected with the main body part, a rock embedding space is arranged in the main body part, and a propping part is convexly extended inwards from the inner wall of the rock embedding space; when the abutting piece abuts against the rock, the drill bit body stops rotating;
the buffer assembly is connected with the drill bit body and reduces buffer force of the drill bit body during working;
and one end of the connecting component is connected with the buffer component, the other end of the connecting component is connected with the rotary drilling rig, the connecting component comprises a drill rod and a connecting piece, and the drill rod is connected with the rotary drilling rig through the connecting piece.
2. The novel drill bit structure for rotary drilling rig rock-socketed cast-in-place pile construction as claimed in claim 1, wherein the abutting member includes a plurality of abutting blocks, and a plurality of the abutting blocks are uniformly distributed.
3. The novel drill bit structure for construction of the embedded rock bored pile of the rotary drilling rig according to claim 2, wherein the number of the abutting blocks is four.
4. The novel drill bit structure for construction of the embedded rock bored pile of the rotary drilling rig according to claim 1, wherein the abutting member is annular.
5. The novel drill bit structure for construction of the rotary drilling rig rock-socketed cast-in-place pile as claimed in claim 1, wherein the peripheral wall of the main body portion is provided with an exhaust hole.
6. The novel drill bit structure for construction of the rotary drilling rig rock-socketed cast-in-place pile as claimed in claim 1, wherein the cutting portion is an annular alloy tooth.
7. The novel drill bit structure for construction of the rotary drilling rig rock-socketed cast-in-place pile is characterized in that the buffering assembly comprises a shell, a guide piece and a buffering piece, wherein the guide piece is located in the shell, the buffering piece is connected with the guide piece, the guide piece is located on the top of the inner wall of the shell, and the shell is connected with the main body portion.
8. The novel drill bit structure for construction of the rotary drilling rig rock-socketed cast-in-place pile as claimed in claim 7, wherein the buffer member comprises a movable plate and an elastic member, the movable plate is respectively connected with the guide member and the elastic member, and the elastic member is further connected with the main body portion.
9. The novel drill bit structure for construction of the rock-socketed cast-in-place pile of the rotary drilling rig as claimed in claim 8, wherein the guiding element comprises a guide sleeve and a guide pillar, and the guide pillar is at least partially positioned in the guide sleeve and can move up and down in the guide sleeve.
10. The novel drill bit structure for construction of the embedded rock bored pile of the rotary drilling rig as claimed in claim 8, wherein the top of the housing has an opening, and the drill rod passes through the opening and is connected with the movable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221105042.8U CN217270013U (en) | 2022-05-10 | 2022-05-10 | A novel drill bit structure for digging rig embedded rock bored concrete pile construction soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221105042.8U CN217270013U (en) | 2022-05-10 | 2022-05-10 | A novel drill bit structure for digging rig embedded rock bored concrete pile construction soon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217270013U true CN217270013U (en) | 2022-08-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221105042.8U Active CN217270013U (en) | 2022-05-10 | 2022-05-10 | A novel drill bit structure for digging rig embedded rock bored concrete pile construction soon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217270013U (en) |
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2022
- 2022-05-10 CN CN202221105042.8U patent/CN217270013U/en active Active
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