CN110055958B - Connecting device capable of enabling drill bit to rotate in variable direction and drilling device - Google Patents
Connecting device capable of enabling drill bit to rotate in variable direction and drilling device Download PDFInfo
- Publication number
- CN110055958B CN110055958B CN201910470883.5A CN201910470883A CN110055958B CN 110055958 B CN110055958 B CN 110055958B CN 201910470883 A CN201910470883 A CN 201910470883A CN 110055958 B CN110055958 B CN 110055958B
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- Prior art keywords
- meshing transmission
- sliding block
- conveying pipe
- drill bit
- slurry conveying
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- 238000005553 drilling Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 91
- 239000002002 slurry Substances 0.000 claims abstract description 69
- 210000001503 joint Anatomy 0.000 claims description 11
- 238000003032 molecular docking Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 22
- 238000010276 construction Methods 0.000 abstract description 11
- 238000005520 cutting process Methods 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000000227 grinding Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Paleontology (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The application discloses a connecting device and a drilling device for enabling a drill bit to be capable of rotating in a variable direction, comprising an upper slurry conveying pipe, wherein the bottom of the upper slurry conveying pipe is fixedly connected with a sliding block, and the bottom of the sliding block is in sliding connection with a lower slurry conveying pipe; the top of the sliding block is provided with a first meshing transmission part along the circumferential direction, and the first meshing transmission part is meshed and transmitted with a second meshing transmission part which is fixedly arranged when the sliding block moves upwards; the bottom of the sliding block is provided with a third meshing transmission part along the circumferential direction, the third meshing transmission part is meshed and transmitted with a fourth meshing transmission part which is fixedly arranged when the sliding block moves downwards, and the fourth meshing transmission part is fixedly connected with the lower slurry conveying pipe. The connecting device is connected with the drill rod and the drill bit, and when the drill rod is lifted, the rotating direction of the drill bit can be changed, so that the cutting face of the drill wing is guaranteed to be pressed against the soil body to be lifted in a rotating mode, slurry and the soil body are fully mixed, and construction quality is guaranteed.
Description
Technical Field
The present disclosure relates to the field of foundation treatment (underground diaphragm wall) construction, and in particular, to a connection device and a drilling device for enabling a drill bit to be variable in rotation direction.
Background
The deep cement stirring pile uses cement as a curing agent, soft soil or sand and the like are forcedly mixed with the curing agent in a foundation by a deep stirring machine, so that the soft foundation is hardened, and the foundation strength is improved.
The deep mixing pile has two working modes: the first mode is that a transmission part is arranged on a stirring pile operation platform, and a drill rod is driven to sink until the design depth is reached through rotation of a grinding disc; the second mode is that the transmission part is arranged on the upper part of the drill rod, and the drill rod is driven to sink until the design depth by the dead weight of the transmission part.
In order to ensure better soil layer cutting, the drill wings arranged at the tail end of the drill rod form an included angle of 45 degrees with the ground, when the drill rod sinks to reach the designed depth and lift the drill rod, the mortar pump is required to spray cement paste through the nozzle at the bottom of the drill rod, and the cutting surfaces of the drill wings are required to press the soil body to rotate and lift, so that the slurry and the soil body can be well mixed evenly.
In actual construction, when a drill rod is sunk to a designed depth and starts to lift, the grinding disc needs to be reversed to ensure that the cutting surface of the drilling wing is pressed against the soil body to lift rotationally, and a clutch device and a gear set are added in a grinding disc gear box when the grinding disc is required to be reversed, so that the manufacturing cost of construction equipment is increased; and in the second mode, as the transmission part is arranged at the top of the drill rod, when the drill rod is sunk to the designed depth and starts to lift, if the motor is not reversed, the cutting surface of the drill wing is ensured to press the soil body to lift rotationally, so that slurry and the soil body are insufficiently stirred, and the quality of the pile body is affected. In order to realize the reverse rotation of the motor, a forward and reverse rotation control system needs to be added in a circuit control system, so that the manufacturing cost of equipment and the actual construction operation difficulty are increased.
In order to reduce the manufacturing cost of the stirring pile equipment and reduce the operation difficulty of construction machinery, so that slurry and soil mass are fully mixed to ensure the construction quality, a connecting device capable of enabling a drill bit to change the rotation direction is needed.
Disclosure of Invention
The present disclosure aims to overcome the above-mentioned shortcomings in the prior art, and provide a connection device and a drilling device for enabling a drill bit to be variable in rotation direction; the connecting device is connected with the drill rod and the drill bit, and when the drill rod is lifted, the rotating direction of the drill bit can be changed, so that the cutting face of the drill wing is guaranteed to be pressed against the soil body to be lifted in a rotating mode, slurry and the soil body are fully mixed, and construction quality is guaranteed.
The first object of the present disclosure is to provide a connection device for enabling a drill bit to be rotated in a variable direction, and to achieve the above object, the present disclosure adopts the following technical solutions:
the connecting device for enabling the drill bit to be capable of changing the rotating direction comprises an upper slurry conveying pipe, wherein the bottom of the upper slurry conveying pipe is fixedly connected with a sliding block, and the bottom of the sliding block is in sliding connection with a lower slurry conveying pipe;
the top of the sliding block is provided with a first meshing transmission part along the circumferential direction, and the first meshing transmission part is meshed and transmitted with a second meshing transmission part which is fixedly arranged when the sliding block moves upwards;
the bottom of the sliding block is provided with a third meshing transmission part along the circumferential direction, the third meshing transmission part is meshed and transmitted with a fourth meshing transmission part which is fixedly arranged when the sliding block moves downwards, and the fourth meshing transmission part is fixedly connected with the lower slurry conveying pipe.
The connecting device disclosed by the application has the working principle that:
when the drill bit is in drilling, the upper slurry conveying pipe drives the sliding block to move downwards, and the third meshing transmission piece and the fourth meshing transmission piece are in meshing transmission to drive the drill bit to drill in a rotating way;
when the drill bit is lifted, the third meshing transmission piece is separated from the fourth meshing transmission piece, the upper slurry conveying pipe drives the sliding block to move upwards, the first meshing transmission piece and the second meshing transmission piece are in meshing transmission to drive the drill bit to rotate and lift, and the rotation directions of the second meshing transmission piece, the lower slurry conveying pipe and the fourth meshing transmission piece are opposite to the rotation directions of the drill rod due to the reaction force of soil bodies on the drill bit, so that the rotation directions of the drill bit and the drill rod are opposite, and the rotation lifting of the soil bodies pressed by the cutting surfaces of the drill wings can be ensured.
As a further technical scheme, the first meshing transmission piece comprises a plurality of first protruding blocks vertically arranged on the periphery of the top of the sliding block, and the first protruding blocks are arranged at intervals.
As a further technical scheme, the first convex blocks are uniformly distributed along the periphery of the top of the sliding block.
As a further technical scheme, the second meshing transmission piece comprises a first disc-shaped structure, a plurality of first grooves meshed with the first convex blocks are formed in the bottom of the first disc-shaped structure along the circumferential direction, and the plurality of first grooves are uniformly distributed along the periphery of the first disc-shaped structure.
As a further technical scheme, the fourth meshing transmission piece comprises a second disc type structure, a plurality of second protruding blocks are arranged at the top of the second disc type structure along the circumferential direction, the second protruding blocks are vertically arranged, and a plurality of second protruding blocks are arranged at intervals.
As a further technical scheme, a plurality of second convex blocks are uniformly distributed along the periphery of the top of the second disc structure.
As a further technical scheme, the third meshing transmission piece comprises a plurality of second grooves which are meshed with the second convex blocks, and the second grooves are uniformly distributed along the periphery of the bottom of the sliding block.
As a further technical scheme, the sliding block, the second meshing transmission piece and the fourth meshing transmission piece are all arranged in a shell, and the shell is in butt joint with two butt joint type shells to form a closed structure; the second meshing transmission piece is fixedly connected to the top of the butt-joint type shell, and the fourth meshing transmission piece and the lower slurry conveying pipe are fixedly connected to the bottom of the butt-joint type shell.
As a further technical scheme, the lower side part of the sliding block is provided with a locking groove, the lower side part of the butt-joint type shell is fixedly provided with a locking pin, and the locking pin can be matched with the locking groove to lock the sliding block.
As a further technical scheme, the top of the upper slurry conveying pipe is fixedly provided with a flange, and the bottom of the lower slurry conveying pipe is fixedly provided with a flange.
A second object of the present disclosure is to propose a drilling device comprising a connection device as described above, the upper slurry pipe being connected to the drill rod and the lower slurry pipe being connected to the drill bit.
The beneficial effects of the present disclosure are:
the connecting device can be arranged between the drill rod and the drill bit, when the drill rod sinks to reach the designed depth to lift, the rotation direction of the drill bit can be opposite to the rotation direction of the drill rod due to the reaction force of the soil body to the drill bit, so that the drill fin cutting face can be guaranteed to press the soil body to lift in a rotation mode.
According to the connecting device, through the arrangement of the locking pin and the locking groove, when the drill bit drills to generate pressure just contacting the ground, the locking pin locks the sliding block, and the drill bit can be ensured to keep the same rotation direction during drilling and lifting.
Through the connecting device of the present disclosure, the change of the rotation direction of the drill bit can be realized, which not only ensures the full mixing of slurry and soil mass, ensures the construction quality, but also reduces the manufacturing cost of the stirring pile equipment and reduces the operation difficulty of construction machinery.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
FIG. 1 is a schematic view of the overall structure of a connection device disclosed in one embodiment;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 1;
FIG. 5 is a cross-sectional view of C-C of FIG. 1;
in the figure, a flange plate is shown as 1; 2 sealing sleeve; 3, feeding a slurry conveying pipe; 4, a second meshing transmission member; 5, sliding blocks; 6, a first meshing transmission member; 7, fixing a key; 8 butt-joint type shells; 9, sealing rings; 10 locking grooves; 11 a third engagement transmission member; 12 locking pin retaining rings; 13 locking pins; 14 sealing rings; 15 bumps; 16 sealing rings; 17 fourth engagement transmission member; 18 a fixed key; 19 lower slurry conveying pipe; 20 flange plates; a 21 screw hole; 22 fastening the blank holder; 23 butt-joint type outer shell; 24 bolts.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "upper", "lower", "left" and "right" in the present disclosure, if they mean only that they correspond to the upper, lower, left, and right directions of the drawings themselves, and do not limit the structure, only for convenience of description and simplification of the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present disclosure.
As described in the background art, when the drill rod is sunk to reach the designed depth to lift the drill rod, the equipment manufacturing cost and the actual construction operation difficulty are increased in order to realize the rotation lifting of the soil body pressed by the cutting surface of the drill wing, and in order to solve the technical problems, the application provides a connecting device and a drilling device for enabling the drill bit to change the rotation direction.
The application provides a connecting device for enabling a drill bit to be capable of changing the rotating direction, which comprises an upper slurry conveying pipe, wherein the bottom of the upper slurry conveying pipe is fixedly connected with a sliding block, and the bottom of the sliding block is in sliding connection with a lower slurry conveying pipe;
the top of the sliding block is provided with a first meshing transmission part along the circumferential direction, and the first meshing transmission part is meshed and transmitted with a second meshing transmission part which is fixedly arranged when the sliding block moves upwards;
the bottom of the sliding block is provided with a third meshing transmission part along the circumferential direction, the third meshing transmission part is meshed and transmitted with a fourth meshing transmission part which is fixedly arranged when the sliding block moves downwards, and the fourth meshing transmission part is fixedly connected with the lower slurry conveying pipe.
Example 1
The connecting device disclosed in this embodiment is further described below with reference to fig. 1 to 5;
referring to fig. 1-3, the connecting device for enabling the drill bit to change the rotation direction comprises an upper slurry conveying pipe 3, a lower slurry conveying pipe 19, a shell, a locking pin 13, a sliding block 5 and the like;
the top of the upper slurry conveying pipe 3 is fixedly provided with a flange plate 1, and the flange plate 1 can be connected with a drill rod; the bottom of the lower slurry pipe 19 is fixedly provided with a flange plate 20, and the flange plate 20 can be connected with a drill bit.
The middle part of the sliding block 5 is provided with a vertical through hole, the bottom of the upper slurry conveying pipe 3 extends into the vertical through hole, the top of the vertical through hole is fixedly connected with the bottom of the upper slurry conveying pipe 3, and a fixed key 7 is arranged between the sliding block 5 and the upper slurry conveying pipe 3 so as to realize the fixed connection of the sliding block 5 and the upper slurry conveying pipe 3;
the top of the lower slurry conveying pipe 19 extends into a vertical through hole of the sliding block 5, the bottom of the vertical through hole of the sliding block 5 is in sliding connection with the lower slurry conveying pipe 19, the sliding block 5 is in sliding fit with the lower slurry conveying pipe 19 when moving up and down, but the lower slurry conveying pipe 19 cannot deviate from the sliding block 5; the sealing ring 9 and the sealing ring 16 are arranged on the outer side of the lower slurry conveying pipe 19 to realize the sealing between the lower slurry conveying pipe 19 and the sliding block 5.
The upper slurry conveying pipe 3 and the lower slurry conveying pipe 19 are slurry channels, the connecting device is arranged between the drill rod and the drill bit, slurry enters from the upper slurry conveying pipe 3, enters the lower slurry conveying pipe 19 through the vertical through hole of the sliding block 5, and is conveyed to the drill bit.
The top of the sliding block 5 is provided with a first meshing transmission piece 6 along the circumferential direction, and when the sliding block 5 moves upwards, the first meshing transmission piece 6 is meshed and transmitted with a second meshing transmission piece 4 which is fixedly arranged; the bottom of the sliding block 5 is provided with a third meshing transmission piece 11 along the circumferential direction, when the sliding block 5 moves downwards, the third meshing transmission piece 11 is meshed and transmitted with a fourth meshing transmission piece 17 which is fixedly arranged, and the fourth meshing transmission piece 17 is fixedly connected with a lower slurry conveying pipe 19.
The sliding block 5, the second meshing transmission piece 4 and the fourth meshing transmission piece 17 are all arranged in a shell, and as shown in fig. 2, the shell is in butt joint with two butt joint type shells 8 and 23 to form a closed structure; as shown in fig. 3 and 4, the butt joint positions of the butt joint type shell 8 and the butt joint type shell 23 are provided with fastening press edges 22, the fastening press edges 22 of the two shells are oppositely arranged, the fastening press edges 22 are provided with a plurality of screw holes 21, and bolts 24 are penetrated in the screw holes 21 so as to realize fastening connection between the butt joint type shell 8 and the butt joint type shell 23.
A sealing sleeve 2 is arranged between the sliding block 5 and the shell to realize the sealing of the rotating contact part of the sliding block 5 and the shell; the second meshing transmission part 4 is fixedly connected to the tops of the butt-joint type shell 8 and the butt-joint type shell 23 and can be connected in a welding mode; the fourth meshing transmission piece 17 and the lower slurry conveying pipe 19 are fixedly connected to the bottoms of the butt-joint type shell 8 and the butt-joint type shell 23, and can be fixed by adopting the fixing key 18.
As shown in fig. 3 and 4, the first engagement transmission member 6 includes a plurality of first protruding blocks vertically arranged on the top periphery of the slider 5, and the plurality of first protruding blocks are arranged at intervals; the first convex blocks are uniformly distributed along the periphery of the top of the sliding block 5;
as shown in fig. 3, the second engagement transmission member 4 includes a first disc structure, and a plurality of first grooves engaged with the first protrusions are circumferentially provided at the bottom of the first disc structure, and are uniformly distributed along the periphery of the first disc structure;
when the slide block 5 moves upwards, the first engagement transmission piece 6 and the second engagement transmission piece 4 are engaged and transmitted through the engagement of the first protruding block and the first groove.
As shown in fig. 3 and 5, the fourth meshing transmission member 17 includes a second disc structure, wherein a plurality of second protruding blocks 15 are arranged at the top of the second disc structure along the circumferential direction, the second protruding blocks 15 are vertically arranged, the plurality of second protruding blocks 15 are arranged at intervals, and the plurality of second protruding blocks 15 are uniformly distributed along the periphery of the top of the second disc structure;
as shown in fig. 3, the third engagement transmission member 11 includes a plurality of second grooves which are engaged with the second protrusions 15, and the plurality of second grooves are uniformly distributed along the outer periphery of the bottom of the slider 5;
when the slide block 5 moves downwards, the third meshing transmission piece 11 and the fourth meshing transmission piece 17 are meshed and transmitted through the second protruding block and the second groove.
As shown in fig. 3, a locking groove 10 is formed on the lower side of the sliding block 5, a locking pin 13 is fixedly arranged on the lower side of the butt-joint type shell 8 and the butt-joint type shell 23, and the locking pin 13 can be matched with the locking groove 10 to lock the sliding block;
the inner sides of the butt-joint type shell 8 and the butt-joint type shell 23 are provided with locking pin retaining rings 12 corresponding to the locking pins 13, so that the locking pins 13 are prevented from falling outwards. The inner sides of the butt-joint type shell 8 and the butt-joint type shell 23 are also provided with sealing rings 14 corresponding to the locking pins 13 so as to seal the rotating gaps between the locking pins and the butt-joint type shell.
The specific using method of the device is as follows:
the connecting device is divided into two working parts after being assembled: the first part is: the second meshing transmission piece 4, the lower slurry conveying pipe 19 and the fourth meshing transmission piece 17 are fixedly connected with the shell into a whole; the second part is: the upper slurry conveying pipe 3 and the sliding block 5 are connected into a whole.
When the drilling machine is used, the connecting device is arranged between the drill rod and the drill bit, the upper slurry conveying pipe 3 is connected with the drill rod through the flange plate 1, the lower slurry conveying pipe 19 is connected with the drill bit through the flange plate 20, when the drill bit drills into the ground and generates pressure just contacting the ground, the upper slurry conveying pipe 3 drives the sliding block 5 to move downwards, and at the moment, the third meshing transmission piece 11 is meshed with the fourth meshing transmission piece 17 to drive the drill bit to drill in a rotating mode; when the drill bit is lifted, the third meshing transmission part 11 is separated from the fourth meshing transmission part 17, the upper slurry conveying pipe 3 drives the sliding block 5 to move upwards, at the moment, the first meshing transmission part 6 is meshed with the second meshing transmission part 4 to drive the drill bit to rotate and lift, and the rotating direction of the first part of the connecting device is opposite to the rotating direction of the drill rod due to the reaction force of soil on the drill bit, so that the rotating direction of the drill bit is opposite to the rotating direction of the drill rod, and the rotation lifting of the soil pressed by the cutting surface of the drilling wing can be ensured.
If the drill bit is required to rotate in one direction during drilling and lifting, when the drill bit just contacts the ground to generate pressure during drilling, the slurry feeding pipe 3 drives the sliding block 5 to move downwards, at the moment, the third meshing transmission piece 11 and the fourth meshing transmission piece 17 are meshed together, and the locking pin 13 is pushed inwards to be inserted into the locking groove 10, so that the drill bit can be ensured to maintain the same rotation direction during drilling and lifting.
The disclosure also provides a drilling device, comprising the connecting device, wherein the upper slurry conveying pipe 2 is connected with a drill rod through a flange plate 1, and the lower slurry conveying pipe 19 is connected with a drill bit through a flange plate 20; when the drilling device is used for drilling, the rotation direction of the drill bit can be changed when the drill rod is lifted, so that the rotation lifting of the soil body to be pressed by the cutting surface of the drill wing is realized, and slurry and the soil body are better mixed uniformly.
While the specific embodiments of the present disclosure have been described above with reference to the drawings, it should be understood that the present disclosure is not limited to the embodiments, and that various modifications and changes can be made by one skilled in the art without inventive effort on the basis of the technical solutions of the present disclosure while remaining within the scope of the present disclosure.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. The connecting device for enabling the drill bit to be capable of changing the rotating direction is characterized by comprising an upper slurry conveying pipe, wherein the bottom of the upper slurry conveying pipe is fixedly connected with a sliding block, and the bottom of the sliding block is in sliding connection with a lower slurry conveying pipe;
the top of the sliding block is provided with a first meshing transmission part along the circumferential direction, and the first meshing transmission part is meshed and transmitted with a second meshing transmission part which is fixedly arranged when the sliding block moves upwards;
the bottom of the sliding block is provided with a third meshing transmission piece along the circumferential direction, when the sliding block moves downwards, the third meshing transmission piece is meshed and transmitted with a fourth meshing transmission piece which is fixedly arranged, and the fourth meshing transmission piece is fixedly connected with the lower slurry conveying pipe;
the sliding block, the second meshing transmission piece and the fourth meshing transmission piece are all arranged in a shell, and the shell is in butt joint with two butt joint type shells to form a closed structure; the second meshing transmission piece is fixedly connected to the top of the butt-joint type shell, and the fourth meshing transmission piece and the lower slurry conveying pipe are fixedly connected to the bottom of the butt-joint type shell;
a flange plate is fixedly arranged at the top of the upper slurry conveying pipe, and a flange plate is fixedly arranged at the bottom of the lower slurry conveying pipe;
the first meshing transmission piece comprises a plurality of first protruding blocks vertically arranged on the periphery of the top of the sliding block, and the first protruding blocks are arranged at intervals.
2. The variable rotation direction drill bit connection device of claim 1, wherein the plurality of first protrusions are uniformly disposed along the top circumference of the slider.
3. The apparatus of claim 1, wherein the second engagement transmission member comprises a first disc structure having a bottom circumferentially provided with a plurality of first grooves engaged with the first protrusions, the plurality of first grooves being uniformly disposed along a periphery of the first disc structure.
4. The apparatus of claim 1, wherein the fourth engagement transmission includes a second disk structure having a top portion provided with a plurality of second projections disposed circumferentially therealong, the second projections being disposed vertically with a space therebetween.
5. The variable rotation direction drill bit connection device of claim 4, wherein the plurality of second protrusions are uniformly disposed along the top periphery of the second disc structure.
6. The apparatus of claim 4, wherein the third engagement transmission member includes a plurality of second grooves engaged with the second protrusions, the plurality of second grooves being uniformly disposed along the outer circumference of the bottom of the slider.
7. The device for connecting a drill bit with a variable rotation direction according to claim 1, wherein the lower side of the slider is provided with a locking groove, and the lower side of the docking type housing is fixedly provided with a locking pin which can be engaged with the locking groove to lock the slider.
8. A drilling device comprising a connection device according to any one of claims 1-7, wherein the upper slurry pipe is connected to a drill pipe and the lower slurry pipe is connected to a drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470883.5A CN110055958B (en) | 2019-05-31 | 2019-05-31 | Connecting device capable of enabling drill bit to rotate in variable direction and drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470883.5A CN110055958B (en) | 2019-05-31 | 2019-05-31 | Connecting device capable of enabling drill bit to rotate in variable direction and drilling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110055958A CN110055958A (en) | 2019-07-26 |
| CN110055958B true CN110055958B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910470883.5A Active CN110055958B (en) | 2019-05-31 | 2019-05-31 | Connecting device capable of enabling drill bit to rotate in variable direction and drilling device |
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| Country | Link |
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| CN (1) | CN110055958B (en) |
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| JPH10331560A (en) * | 1997-05-28 | 1998-12-15 | Norio Kagota | Excavating device |
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| CN103104197A (en) * | 2011-11-10 | 2013-05-15 | 张新强 | Diameter-variable drill bit |
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| CN206034429U (en) * | 2016-09-06 | 2017-03-22 | 王继忠 | Construction equipment who sprays stirring of vibrating creeps into |
| CN106545011A (en) * | 2016-10-28 | 2017-03-29 | 傅志斌 | The multidirectional mixing pile pile making method of efficient energy-saving |
| CN210341899U (en) * | 2019-05-31 | 2020-04-17 | 山东省水利科学研究院 | Connecting device for enabling drill bit to change rotating direction and drilling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6739413B2 (en) * | 2002-01-15 | 2004-05-25 | The Charles Machine Works, Inc. | Using a rotating inner member to drive a tool in a hollow outer member |
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2019
- 2019-05-31 CN CN201910470883.5A patent/CN110055958B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10331560A (en) * | 1997-05-28 | 1998-12-15 | Norio Kagota | Excavating device |
| KR100733829B1 (en) * | 2006-12-05 | 2007-07-02 | (주)효광건설 | Deep cement mixing equipment for superior agitation efficiency |
| CN103104197A (en) * | 2011-11-10 | 2013-05-15 | 张新强 | Diameter-variable drill bit |
| CN203452082U (en) * | 2013-08-27 | 2014-02-26 | 山东省水利科学研究院 | Composite grout grouting device |
| CN206034429U (en) * | 2016-09-06 | 2017-03-22 | 王继忠 | Construction equipment who sprays stirring of vibrating creeps into |
| CN106545011A (en) * | 2016-10-28 | 2017-03-29 | 傅志斌 | The multidirectional mixing pile pile making method of efficient energy-saving |
| CN210341899U (en) * | 2019-05-31 | 2020-04-17 | 山东省水利科学研究院 | Connecting device for enabling drill bit to change rotating direction and drilling device |
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| Publication number | Publication date |
|---|---|
| CN110055958A (en) | 2019-07-26 |
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