CN218324748U - Pipe pressing device and pipe pressing drill bit - Google Patents
Pipe pressing device and pipe pressing drill bit Download PDFInfo
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- CN218324748U CN218324748U CN202223072798.XU CN202223072798U CN218324748U CN 218324748 U CN218324748 U CN 218324748U CN 202223072798 U CN202223072798 U CN 202223072798U CN 218324748 U CN218324748 U CN 218324748U
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- drill bit
- bit body
- pipe
- pressure pipe
- sleeve
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Abstract
The application discloses press pipe drill bit includes: the rear end of the drill bit body is provided with a drill bit tail handle connected with the impactor; the high-pressure air passage is arranged in the drill bit body, and an air outlet communicated with the high-pressure air passage is formed in the front end of the drill bit body; the pressure pipe step is arranged on the outer circumferential surface of the drill bit body and is matched with the sleeve for use. The application provides a press pipe device and press pipe drill bit compares in prior art, and simple structure convenient operation can use with the sleeve pipe cooperation, impresses the sleeve pipe to downthehole.
Description
Technical Field
The application relates to the technical field of drilling equipment, more specifically says, especially relates to a press pipe device and press pipe drill bit.
Background
In recent years, with the increasing investment on infrastructure and various mines in China, the pneumatic down-the-hole hammer is greatly valued in the technical field of rock crushing machinery by virtue of the advantages of simple structure, convenience in operation and maintenance, capability of effectively removing rock debris at the bottom of a well, no limitation of drilling depth, capability of reducing abrasion of a drilling tool and the like. With the rapid development of the drilling technology of the pneumatic down-the-hole hammer, the application field of the pneumatic down-the-hole hammer is continuously widened, and the pneumatic down-the-hole hammer is gradually developed from initial blast hole construction to almost all drilling construction fields such as hydrowell drilling, geological core exploration, reservoir dam foundation curtain grouting, engineering geological exploration, trenchless pipeline laying, building foundation, geotechnical engineering and the like.
In the prior art, after the construction of drilling, in order to prevent accidents in the hole such as collapse of the hole wall, sleeves are often required to be installed in the hole, and the conventional method at the present stage is to place the sleeves downwards one by one. However, due to the fact that the inner wall of the hole is irregular and the part is provided with the barrier B protruding, the sleeve is placed to the preset depth L, at present, a static pressurizing mode is often adopted to act on the sleeve, the sleeve can break through the softer barrier B in the mode, and the situation that the sleeve cannot break through the harder barrier B still exists.
Therefore, a pressure pipe device and a pressure pipe drill bit are needed, which have simple structure and convenient operation and can be matched with a sleeve for use, so that the sleeve breaks through a harder obstacle and is placed to a preset depth.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the application provides a press pipe device and press pipe drill bit, simple structure convenient operation can use with the sleeve pipe cooperation for the sleeve pipe breaks through harder barrier, places the predetermined degree of depth with the sleeve pipe.
The technical scheme provided by the application is as follows:
a compression drill bit, comprising:
the drill bit comprises a drill bit body, wherein the rear end of the drill bit body is provided with a drill bit tail handle connected with an impactor;
the high-pressure air passage is arranged in the drill bit body, and an air outlet communicated with the high-pressure air passage is formed in the front end of the drill bit body;
the pressure pipe step is arranged on the outer circumferential surface of the drill bit body and is matched with the sleeve for use.
Preferably, the pressure pipe step is provided with at least two groups of abutting surfaces, the abutting surfaces are arranged at intervals along the axial direction of the drill bit body, and the size of the abutting surfaces is increased towards the rear end of the drill bit body so as to be adapted to sleeves with different sizes.
Preferably, the method further comprises the following steps:
and the centering block is arranged at the front end of the pressure pipe step.
Preferably, the centering block is embodied in the shape of a cylinder.
Preferably, the method further comprises the following steps:
the slag discharging port is arranged on the front end surface of the drill bit body;
the slag discharging channel is arranged on the drill bit body and communicated with the slag discharging port, and extends along the axis direction of the drill bit body and is used for discharging slag.
Preferably, the slag discharge passage is provided inside the drill body.
Preferably, the slag discharging channel comprises a slag discharging groove arranged on the outer surface of the drill bit body, and the slag discharging groove is communicated with the slag discharging port.
Preferably, the slag discharge openings are at least two, and the slag discharge openings are arranged around the circumferential interval of the axis of the pressure pipe drill bit.
A pipe crimping device comprising: an impactor;
the impactor is provided with the drill bit of any one of the above items.
The utility model provides a press pipe drill bit, at first because be provided with the drill bit body and press the pipe step, wherein, press the pipe step setting on the outer periphery of drill bit body, and press the pipe step and use with the sleeve pipe cooperation for press the sleeve pipe in the good downthehole of brill. And secondly, the drill bit tail handle and the high-pressure air passage are further arranged, the drill bit tail handle is arranged at the rear end of the drill bit body and can be connected with the impactor through the drill bit tail handle, the high-pressure air passage is arranged in the drill bit body, the air outlet is formed in the front end surface of the drill bit body and is connected with the high-pressure air passage, high-pressure air in the high-pressure air passage is discharged, the impactor utilizes high-pressure air as a power source to drive a piston in the impactor to reciprocate at high speed and high frequency, the piston can obtain enough energy to impact the drill bit, impact force acts on the drill bit in a stress wave mode, huge impact energy is generated in extremely short time, the sleeve abuts against a pressure pipe step, the impact force on the drill bit is conducted on the sleeve, and the sleeve is enabled to break through a hard obstacle, and the sleeve is placed to a preset depth.
Therefore, compared with the prior art, the embodiment of the utility model provides an in the pipe drill bit is pressed, simple structure convenient operation can use with the sleeve pipe cooperation for the sleeve pipe breaks through harder barrier, places the sleeve pipe predetermined degree of depth. The utility model also provides a press pipe device, including the impacter, wherein, the impacter has the aforesaid and presses the pipe drill bit, also can realize the same technological effect equally.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a scenario illustrating the use of a prior art bushing;
fig. 2 is a schematic structural diagram of a pipe pressing device provided by an embodiment of the present invention;
fig. 3 is a schematic view of a first structure of a pressure pipe drill according to an embodiment of the present invention;
fig. 4 is a second structural schematic diagram of a pressure pipe drill according to an embodiment of the present invention;
fig. 5 is a left side view of fig. 4.
Reference numerals are as follows: 10. a drill bit; 20. a sleeve; 30. an impactor; 40. a ground surface; 1. a drill body; 2. a drill bit shank; 3. a high pressure air passage; 4. pressing a pipe step; 5. a centering block; 6. a slag discharge port; 7. a slag discharge channel; l, a preset depth; B. obstacle
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation as a limitation of the application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, are not essential to the technology, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
The embodiment of the utility model provides an adopt progressive mode to write.
As shown in fig. 2 to 5, an embodiment of the present invention provides a pipe pressing drill, including: the drill bit comprises a drill bit body 1, wherein a drill bit tail shank 2 connected with an impactor 30 is arranged at the rear end of the drill bit body 1; the high-pressure air channel 3 is arranged in the drill bit body 1, and the front end of the drill bit body 1 is provided with an air outlet communicated with the high-pressure air channel 3; and a pressure pipe step 4 arranged on the outer circumferential surface of the drill bit body 1 and used in cooperation with the sleeve 20.
As shown in fig. 1, after the hole is formed, a sleeve pipe is usually installed in the hole to support the inner wall of the hole, so as to prevent the hole from collapsing and burying the equipment, which results in irreversible loss. However, due to the fact that the inner wall of the hole is irregular and partially provided with the barrier to be protruded, the sleeve is placed to the preset depth L, at present, a static pressurizing mode is often adopted to act on the sleeve, the sleeve can break through the softer barrier B in the mode, and the situation that the sleeve cannot break through the harder barrier B still exists.
The utility model provides a press pipe drill bit, at first because be provided with drill bit body 1 and press pipe step 4, wherein, press pipe step 4 to set up on the outer periphery of drill bit body 1, and press pipe step 4 and sleeve pipe 20 cooperation to use for press sleeve pipe 20 in the bored hole. Secondly, a drill bit tail handle 2 and a high-pressure air passage 3 are further arranged, wherein the drill bit tail handle 2 is arranged at the rear end of the drill bit body 1 and can be connected with an impactor 30 through the drill bit tail handle 2, the high-pressure air passage 3 is arranged in the drill bit body 1, an air outlet is formed in the front end face of the drill bit body 1 and is connected with the high-pressure air passage 3 to discharge high-pressure air in the high-pressure air passage 3, the impactor 30 utilizes the high-pressure air as a power source to drive a piston in the impactor 30 to reciprocate at high speed and high frequency, so that the piston can obtain enough energy to impact the drill bit, impact force acts on the drill bit in the form of stress waves, huge impact energy is generated in a very short time, the sleeve 20 abuts against a pressure pipe step 4, the impact force on the drill bit is conducted on the sleeve 20, and the sleeve breaks through a hard obstacle and is placed to a preset depth. Therefore, compared with the prior art, the embodiment of the utility model provides a press the pipe drill bit, simple structure convenient operation can use with the sleeve pipe cooperation for the sleeve pipe breaks through harder barrier, places the predetermined degree of depth with the sleeve pipe.
In the above-mentioned structure, press the pipe in order to can adapt different size sleeve pipes 20, as one of them embodiment, the utility model discloses in the embodiment press to be provided with two sets of butt faces on the pipe step 4 at least, just the butt face sets up along the axis direction interval of drill bit body 1, the size court of butt face the direction of drill bit body 1 rear end increases for the different size sleeve pipes of adaptation. The sleeve 20 with different sizes is suitable for the sleeve with different sizes by arranging at least two abutting surfaces with different sizes on the pressure pipe step.
In the structure, as one of them embodiment, the utility model discloses press the pipe drill bit in the embodiment, still include centering block 5, centering block 5 sets up and presses the front end of pipe step 4, when pressing the pipe, places sleeve pipe 20 in the downthehole that ground 40 has been bored, and the centering block 5 of drill bit stretches into in the sleeve pipe 20, prevents that the skew situation from appearing in the in-process of placing to make and press the up end butt of pipe step 4 and sleeve pipe 20. The impact force of impacter 30 is used in the drill bit, presses pipe step 4 on the drill bit to conduct the impact force to sleeve pipe 20 on, impresses sleeve pipe 20 in the bored hole, stretches into sleeve pipe 20 through setting up centering block 5 in, and the drill bit is difficult for taking place the skew at the in-process of assaulting, places the condition that appears sleeve pipe 20 and press partially at the in-process of pressing the pipe.
In the above structure, the sleeve 20 is generally a cylindrical tube, and as a specific implementation, the centering block 5 in the embodiment of the present invention is specifically a cylindrical structure to be able to better fit the sleeve.
In the above-mentioned structure, for convenient high-pressure gas and residue discharge, as one of them embodiment, the embodiment of the utility model provides an in bit body 1 on still be provided with row cinder notch 6 and slag channel 7, wherein, row cinder notch 6 sets up on bit body 1, slag channel 7 and row cinder notch 6 intercommunication, and slag channel 7 extends towards bit body 1's rear end, high-pressure gas in the impacter 30 passes through high-pressure gas way 3 and the gas outlet and discharges from the bit front end, residue and high-pressure gas in the sleeve pipe 20 can be discharged through row cinder notch 6 and slag channel 7.
In above-mentioned structure, slag discharging channel and row cinder notch intercommunication for with the residue discharge in the cover pipe, slag discharging channel's the multiple mode that is provided with, as one of them embodiment, slag discharging channel in the embodiment of the utility model provides an inside at the drill bit body, the slag of row cinder notch play is outside through slag discharging channel discharge drill bit.
As another implementation mode, the utility model provides an in the slag discharge passage including setting up the slag discharge groove at the surface of drill bit body, the drill bit is at the in-process of impact sleeve pipe to predetermined degree of depth L, and the residue enters into between the inner wall of slag discharge groove and hole by row's cinder notch to discharge along slag discharge groove.
The utility model also provides a press pipe device, including impacter 30, wherein, be provided with drill bit 10 on the impacter 30, the drill bit specifically is the pipe drill bit is pressed to above-mentioned arbitrary one, the utility model provides a press pipe device is provided with on the drill bit and presses pipe step 4, press pipe step 4 can with sleeve pipe 20's terminal surface butt, use the impact force to act on the drill bit with the form of stress wave, produce huge impact energy in the time of the utmost point, the drill bit gives sleeve pipe 20 with the impact force conduction, simple structure, convenient operation can use with the sleeve pipe cooperation, impresses the sleeve pipe to downthehole.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A pressure pipe drill bit, comprising:
the drill bit comprises a drill bit body (1), wherein a drill bit tail handle (2) connected with an impactor is arranged at the rear end of the drill bit body (1);
the high-pressure air channel (3) is arranged in the drill bit body (1), and an air outlet communicated with the high-pressure air channel (3) is formed in the front end of the drill bit body (1);
the pressure pipe step (4) is arranged on the outer circumferential surface of the drill bit body (1) and is matched with the sleeve (20) for use.
2. The pressure pipe drill according to claim 1,
the pressure pipe step (4) is at least provided with two groups of abutting surfaces, the abutting surfaces are arranged at intervals along the axial direction of the drill bit body (1), and the size of the abutting surfaces is increased towards the direction of the rear end of the drill bit body (1) so as to be matched with sleeves of different sizes.
3. The pressure pipe drill according to claim 2,
further comprising:
and the centering block (5) is arranged at the front end of the pressure pipe step (4).
4. The pressure pipe drill according to claim 3,
the centering block (5) is in a cylindrical shape.
5. The pressure pipe drill according to any one of claims 1 to 4,
further comprising:
a slag discharge port (6) arranged on the front end surface of the drill bit body (1);
the slag discharging channel (7) is arranged on the drill bit body (1) and communicated with the slag discharging port (6), and the slag discharging channel (7) extends along the axial direction of the drill bit body (1) and is used for discharging residues.
6. The pressure pipe drill according to claim 5,
the slag discharge channel (7) is arranged inside the drill bit body (1).
7. The reamer head according to claim 5,
the slag discharging channel (7) comprises a slag discharging groove arranged on the outer surface of the drill bit body (1), and the slag discharging groove is communicated with the slag discharging port (6).
8. The pressure pipe drill according to claim 7,
the slag discharge port is at least provided with two, and the slag discharge port is arranged around the circumference interval of the axis of the pressure pipe drill bit.
9. A pipe crimping apparatus, comprising: an impactor (30);
the impactor (30) being provided with a drill bit (10) according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223072798.XU CN218324748U (en) | 2022-11-18 | 2022-11-18 | Pipe pressing device and pipe pressing drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223072798.XU CN218324748U (en) | 2022-11-18 | 2022-11-18 | Pipe pressing device and pipe pressing drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218324748U true CN218324748U (en) | 2023-01-17 |
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ID=84829341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223072798.XU Active CN218324748U (en) | 2022-11-18 | 2022-11-18 | Pipe pressing device and pipe pressing drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218324748U (en) |
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2022
- 2022-11-18 CN CN202223072798.XU patent/CN218324748U/en active Active
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