CN112796671A - Cutting type square pile drill bit - Google Patents
Cutting type square pile drill bit Download PDFInfo
- Publication number
- CN112796671A CN112796671A CN202110091908.8A CN202110091908A CN112796671A CN 112796671 A CN112796671 A CN 112796671A CN 202110091908 A CN202110091908 A CN 202110091908A CN 112796671 A CN112796671 A CN 112796671A
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- chain wheel
- power transmission
- driven
- cutting
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
Abstract
The invention discloses a cutting type square pile drill bit, belonging to the technical field of building foundation construction, comprising a power head component, a power transmission component and an execution component, wherein the power head component comprises a frame, a connecting square head, a power transmission shaft and a rotary support, the upper side and the lower side of the middle part of the frame are respectively provided with the rotary support, the frame is rotatably connected with the power transmission shaft through the rotary support, the upper end of the power transmission shaft is fixedly connected with the connecting square head, the outer edge of the frame is uniformly provided with the execution component, the execution component comprises a transmission shaft, a shaft sleeve and an execution cutting element, the shaft sleeve is connected with the outer edge of the frame through a screw, the inside of the shaft sleeve is rotatably connected with the transmission shaft through a bearing, the power of the square pile drill bit is input from the rotary drilling rig to the connecting square head, the connecting square, and drilling square hole piles on the basis of the circular hole piles.
Description
Technical Field
The invention relates to the technical field of building foundation construction, in particular to a cutting type square pile drill bit.
Background
At present, square piles are gradually applied to practical engineering in China, and compared with circular piles, the square piles greatly increase the side friction area of the piles, improve the side friction area of the piles and greatly improve the bearing capacity of the piles under the condition that the cross sections of the square piles are the same, namely the material consumption is the same.
The rotary drilling rig is piling equipment for hole forming operation, is widely applied along with the rapid development of domestic foundation engineering in recent years, and is difficult to meet the use requirement when meeting square pile engineering.
Disclosure of Invention
The invention aims to provide a cutting type square pile drill bit, and aims to solve the problem that the existing rotary drilling rig drill bit is difficult to meet the use requirement when the rotary drilling rig meets square pile engineering in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the cutting type square pile drill bit comprises a power head part, a power transmission part and an execution part, wherein the power head part comprises a rack, a connecting square head, a power transmission shaft and a slewing bearing, the slewing bearing is arranged on the upper side and the lower side of the middle part of the rack, the rack is rotatably connected with the power transmission shaft through the slewing bearing, the upper end of the power transmission shaft is fixedly connected with the connecting square head, the execution part is uniformly arranged on the outer edge of the rack, the execution part comprises a transmission shaft, a shaft sleeve and an execution cutting element, the shaft sleeve is connected to the outer edge of the rack through a screw, the transmission shaft is rotatably connected inside the shaft sleeve through a bearing, the execution cutting element comprises a first execution cutting element and a second execution cutting element, and the first execution cutting element and the second execution cutting element are respectively, the first executing cutting elements and the second executing cutting elements are distributed in a staggered mode, a power transmission part is arranged between the executing part and the power head part and comprises a driving chain wheel, a first driven chain wheel, a second driven chain wheel, a first transmission chain and a second transmission chain, the two driving chain wheels are installed at the upper end of the power transmission shaft and correspond to the driving chain wheels up and down in position, the upper end of the left side of the transmission shaft is connected with the first driven chain wheel through a screw, the upper end of the right side of the transmission shaft is connected with the second driven chain wheel through a screw, the first transmission chain is installed between the driving chain wheel and the first driven chain wheel at the upper side of the transmission shaft, and the second transmission chain is installed between the driving chain wheel and the second driven chain wheel at the.
Preferably, the upper side of the frame is connected with a protective cover through a screw.
Preferably, the power transmission shaft is a stepped shaft, and the stepped portion of the power transmission shaft is located on the lower side of the frame.
Preferably, the driving sprocket and first driven sprocket, the equal adaptation of second driven sprocket, just first driven sprocket is the same with the second driven sprocket, driving sprocket external diameter length is greater than the external diameter length of first driven sprocket and second driven sprocket.
Preferably, the slewing bearing is an external-tooth-free slewing bearing.
Compared with the prior art, the invention has the beneficial effects that:
1) the power of the square pile drill bit is input from a power input connection square head on the rotary drilling rig, the connection square head drives a power transmission shaft to rotate, the power transmission shaft drives an execution cutting element to rotate through a power transmission part, and a square hole pile is drilled through the rotary drilling rig on the basis of a round hole pile;
2) the step part of the power transmission shaft is positioned below the rack, so that the power input rotation of the power transmission shaft can be realized, the rack is in a static state, and simultaneously, the step part of the power transmission shaft can realize the functions of supporting and protecting the rack when the slewing bearing fails;
3) the outer diameter length of the driving chain wheel is larger than that of the first driven chain wheel and that of the second driven chain wheel, namely, the large chain wheel drives the small chain wheel to rotate, so that the purpose of transmission acceleration is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3A-A according to the present invention;
FIG. 5 is a schematic view of the structure of FIG. 4B-B according to the present invention;
FIG. 6 is a schematic perspective view of the present invention;
FIG. 7 is a schematic diagram of two adjacent actuators according to the present invention;
FIG. 8 is a perspective view of a first cutting implement of the present invention;
fig. 9 is a perspective view of a second cutting implement according to the present invention.
In the figure: the cutting machine comprises a power head part 1, a rack 2, a driving chain wheel 3, a connecting square head 4, a power transmission shaft 5, a rotary support 6, a power transmission part 7, a protective cover 8, a first driven chain wheel 9, a second driven chain wheel 10, an execution part 11, an execution cutting element 12, a first transmission chain 13, a second transmission chain 14, a transmission shaft 15, a shaft sleeve 16, a first execution cutting element 17 and a second execution cutting element 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-9, the present invention provides a technical solution: the cutting type square pile drill bit comprises a power head part 1, a power transmission part 7 and an execution part 11, wherein the power head part 1 comprises a rack 2, a connecting square head 4, a power transmission shaft 5 and a slewing bearing 6, the upper side and the lower side of the middle part of the rack 2 are respectively provided with the slewing bearing 6, the rack 2 is rotatably connected with the power transmission shaft 5 through the slewing bearing 6, the upper end of the power transmission shaft 5 is fixedly connected with the connecting square head 4, a rotary drilling rig inputs power through the connecting square head 4 to drive the power transmission shaft 5 to rotate, the execution part 11 is uniformly arranged on the outer edge of the rack 2, the execution part 11 comprises a transmission shaft 15, a shaft sleeve 16 and an execution cutting element 12, the shaft sleeve 16 is connected to the outer edge of the rack 2 through screws, the inside of the shaft sleeve 16 is rotatably connected with the transmission shaft 15 through a bearing, and the execution cutting, the first cutting element 17 and the second cutting element 18 are fixedly connected to the lower ends of two adjacent transmission shafts 15 respectively, the first cutting element 17 and the second cutting element 18 are distributed in a staggered manner, the cutting elements 12 are distributed in a staggered manner, and the cutting parts of the structures of the first cutting element 12 are distributed in a staggered manner, as shown in fig. 7, so that cutting positions are shifted and crossed for cutting, the cutting elements 12 are arranged in a rectangular manner, as shown in fig. 2, for cutting square hole piles, a power transmission part 7 is arranged between the execution part 11 and the power head part 1, the power transmission part 7 comprises a driving sprocket 3, a first driven sprocket 9, a second driven sprocket 10, a first transmission chain 13 and a second transmission chain 14, two driving sprockets 3 are installed at the upper end of the power transmission shaft 5, the positions of the driving sprockets 3 correspond up and down, the upper end of the transmission shaft 15 on the left side is connected with the first driven sprocket 9 through screws, the right side there is second driven sprocket 10 transmission shaft 15 upper end through bolted connection, and first driven sprocket 9 is located the coplanar with the drive sprocket 3 of upside, and second driven sprocket 10 is located the coplanar with the drive sprocket 3 of downside, the upside install first drive chain 13 between drive sprocket 3 and the first driven sprocket 9, the downside install second drive chain 14 between drive sprocket 3 and the second driven sprocket 10, drive first driven sprocket 9, the rotation of second driven sprocket 10 through drive sprocket 3, and then drive and carry out cutting element 12 and rotate, cut.
The upper side of the frame 2 is connected with a protective cover 8 through a screw.
The driving chain wheel 3 is matched with the first driven chain wheel 9 and the second driven chain wheel 10, the first driven chain wheel 9 is identical with the second driven chain wheel 10, the outer diameter length of the driving chain wheel 3 is larger than the outer diameter length of the first driven chain wheel 9 and the second driven chain wheel 10, namely, the driving chain wheel drives the small chain wheel to rotate through the large chain wheel, and therefore the purpose of driving and accelerating is achieved.
The slewing bearing 6 is an external tooth-free slewing bearing.
The working principle is as follows: the rotary drilling rig inputs power through the connecting square head 4 to drive the power transmission shaft 5 to rotate, the power transmission shaft 5 drives the driving sprocket 3 to rotate, the driving sprocket 3 on the upper side is in transmission connection with the first driven sprocket 9 through the first transmission chain 13, the driving sprocket 3 on the lower side is in transmission connection with the second driven sprocket 10 through the second transmission chain 14, so that the transmission shaft 15 is driven to rotate, the execution cutting element 12 is driven to rotate to cut, and the square hole pile is drilled through the rotary drilling rig on the basis of the round hole pile.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Cutting formula square pile drill bit, including power head spare (1), power transmission part (7) and executive component (11), its characterized in that: the power head part (1) comprises a rack (2), a connecting square head (4), a power transmission shaft (5) and a slewing bearing (6), wherein the slewing bearing (6) is arranged on the upper side and the lower side of the middle part of the rack (2), the rack (2) is rotatably connected with the power transmission shaft (5) through the slewing bearing (6), the upper end of the power transmission shaft (5) is fixedly connected with the connecting square head (4), an executing part (11) is uniformly arranged on the outer edge of the rack (2), the executing part (11) comprises a transmission shaft (15), a shaft sleeve (16) and an executing cutting element (12), the shaft sleeve (16) is connected with the outer edge of the rack (2) through a screw, the transmission shaft (15) is rotatably connected inside the shaft sleeve (16) through a bearing, and the executing cutting element (12) comprises a first executing cutting element (17) and a second, the first cutting element (17) and the second cutting element (18) are respectively fixedly connected to the lower ends of two adjacent transmission shafts (15), the first cutting element (17) and the second cutting element (18) are distributed in a staggered manner, a power transmission part (7) is arranged between the execution part (11) and the power head part (1), the power transmission part (7) comprises a driving sprocket (3), a first driven sprocket (9), a second driven sprocket (10), a first transmission chain (13) and a second transmission chain (14), two driving sprockets (3) are installed at the upper end of the power transmission shaft (5), the two driving sprockets (3) are vertically corresponding in position, the upper end of the left transmission shaft (15) is connected with the first driven sprocket (9) through a screw, the upper end of the right transmission shaft (15) is connected with the second driven sprocket (10) through a screw, a first transmission chain (13) is installed between the driving chain wheel (3) and the first driven chain wheel (9) on the upper side, and a second transmission chain (14) is installed between the driving chain wheel (3) and the second driven chain wheel (10) on the lower side.
2. The cutting square pile drill bit of claim 1, wherein: the upper side of the frame (2) is connected with a protective cover (8) through a screw.
3. The cutting square pile drill bit of claim 1, wherein: the power transmission shaft (5) is a step shaft, and the step part of the power transmission shaft (5) is positioned at the lower side of the rack (2).
4. The cutting square pile drill bit of claim 1, wherein: the driving chain wheel (3) is matched with the first driven chain wheel (9) and the second driven chain wheel (10) in an equal mode, the first driven chain wheel (9) is identical to the second driven chain wheel (10), and the outer diameter length of the driving chain wheel (3) is larger than that of the first driven chain wheel (9) and that of the second driven chain wheel (10).
5. The cutting square pile drill bit of claim 1, wherein: the slewing bearing (6) is an external tooth-free slewing bearing.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110091908.8A CN112796671A (en) | 2021-01-23 | 2021-01-23 | Cutting type square pile drill bit |
| CN202211403827.8A CN116044305A (en) | 2021-01-04 | 2021-08-20 | Square pile drill bit and core component |
| CN202180005321.9A CN114555888B (en) | 2021-01-04 | 2021-08-20 | Square pile construction method and equipment for rotary drilling rig |
| PCT/CN2021/113784 WO2022095548A1 (en) | 2020-11-04 | 2021-08-20 | Square pile construction method and device for rotary drilling rig |
| US17/714,693 US11891892B2 (en) | 2020-11-04 | 2022-04-06 | Square pile construction method and equipment of a rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110091908.8A CN112796671A (en) | 2021-01-23 | 2021-01-23 | Cutting type square pile drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112796671A true CN112796671A (en) | 2021-05-14 |
Family
ID=75811305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110091908.8A Pending CN112796671A (en) | 2020-11-04 | 2021-01-23 | Cutting type square pile drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112796671A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022095548A1 (en) * | 2020-11-04 | 2022-05-12 | 成都欣皓地基基础工程有限责任公司 | Square pile construction method and device for rotary drilling rig |
-
2021
- 2021-01-23 CN CN202110091908.8A patent/CN112796671A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022095548A1 (en) * | 2020-11-04 | 2022-05-12 | 成都欣皓地基基础工程有限责任公司 | Square pile construction method and device for rotary drilling rig |
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