CN216767272U - Vibroflotation reverse circulation drill bit structure - Google Patents
Vibroflotation reverse circulation drill bit structure Download PDFInfo
- Publication number
- CN216767272U CN216767272U CN202220160391.3U CN202220160391U CN216767272U CN 216767272 U CN216767272 U CN 216767272U CN 202220160391 U CN202220160391 U CN 202220160391U CN 216767272 U CN216767272 U CN 216767272U
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- China
- Prior art keywords
- drill bit
- reverse circulation
- bit body
- bit structure
- vibro
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000009434 installation Methods 0.000 claims description 26
- 230000036346 tooth eruption Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 description 25
- 238000010276 construction Methods 0.000 description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model relates to a shake towards reverse circulation drill bit structure belongs to the technical field of reverse circulation drill bit, shakes towards reverse circulation drill bit structure and includes the drill bit body, the drill bit body includes allies oneself with the core pipe, still install the protective shroud on the allies oneself with the core pipe, allies oneself with core pipe one end and is provided with the drill point, the drill point includes the polylith fixed plate, the fixed plate is fixed on allies oneself with core pipe perisporium, the one end that the fixed plate kept away from the protective shroud is fixed with a plurality of picks; and the drill bit body is provided with a vibroflot. This application has the effect that improves and creeps into efficiency.
Description
Technical Field
The application relates to the field of reverse circulation drill bits, in particular to a vibroflotation reverse circulation drill bit structure.
Background
The reverse circulation drill bit is one kind of common pile foundation drilling equipment. When the reverse circulation drilling machine drills, the mud pump is conveyed into a drill hole from a drilling hole (outside the drill rod), and then compressed air is conveyed to the bottom of the drill hole, so that the mud is discharged from the middle of the drill rod along with drilling slag.
At present, a reverse circulation drill bit is generally only suitable for the stratum with softer geology, and when the reverse circulation drill bit meets the hard blocks such as gravels, the drilling efficiency is low, even the reverse circulation drill bit cannot drill, and the construction is difficult.
In view of the above-mentioned related art, the inventor believes that there is a drawback in that the conventional reverse circulation drill bit has low drilling efficiency.
SUMMERY OF THE UTILITY MODEL
In order to improve the drilling efficiency of reverse circulation drill bit, this application provides a vibroflotation reverse circulation drill bit structure.
The application provides a pair of shake-out reverse circulation drill bit structure adopts following technical scheme:
a vibroflotation reverse circulation drill bit structure comprises a drill bit body, wherein the drill bit body comprises a core connecting pipe, a guard ring is further mounted on the core connecting pipe, a drill tip is arranged at one end of the core connecting pipe and comprises a plurality of fixing plates, the fixing plates are fixed on the peripheral wall of the core connecting pipe, and a plurality of cutting teeth are fixed at one end, far away from the guard ring, of each fixing plate; and the drill bit body is provided with a vibroflot.
Through adopting above-mentioned technical scheme, in reverse circulation drilling construction, when drilling and meetting the hard lumps such as gravel, lead to creeping into inefficiency, open the vibroflotation ware, make the vibroflotation ware vibrations, drive the vibration of drill bit body, smash the hard lumps of gravel to the pick can grind the fragment, improves the drilling efficiency of drill bit body, has solved and has met the problem that hard lumps drilling inefficiency in the reverse circulation drilling construction.
Optionally, a plurality of connecting rods are fixedly arranged on the inner wall of the guard ring, and one ends of the connecting rods, far away from the guard ring, are fixedly connected to the outer wall of the core connecting pipe.
Through adopting above-mentioned technical scheme, through the connecting rod with protective shroud fixed mounting on alliing oneself with core pipe, the mounting means is simple to the installation is firm.
Optionally, an installation cylinder is arranged on the drill bit body, a port of the installation cylinder is fixed on the connecting rod, the core connecting pipe penetrates through the installation cylinder, and the vibroflot is arranged in the installation cylinder.
Through adopting above-mentioned technical scheme, will shake towards the ware and install in the installation section of thick bamboo, the installation section of thick bamboo improves the mounted position for shaking towards the ware to can play the guard action to shaking towards the ware.
Optionally, the vibroflot is fixedly connected to the inner wall of the mounting cylinder.
Through adopting above-mentioned technical scheme, will shake towards ware fixed mounting on the installation section of thick bamboo, make the ware that shakes towards fixed more firm.
Optionally, the number of the vibroflots is two, and the two vibroflots are respectively arranged on two sides of the core connecting tube.
Through adopting above-mentioned technical scheme, with two bumper shakeouts ware symmetry settings, when the vibration, make the drill bit body more firm.
Optionally, a plurality of support rods are fixedly connected between the fixing plates and the guard rings respectively.
Through adopting above-mentioned technical scheme, the structural strength of drill bit body can be strengthened to the bracing piece, when the vibroflotation device vibrates, prevents that the drill bit body from damaging.
Optionally, a plurality of cutting bits are fixedly arranged on the end, close to the drill tip, of the retainer.
Through adopting above-mentioned technical scheme, add the pick on the protective shroud, can strengthen the drill bit body to the kibble grinding effect, further improve and creep into efficiency.
Optionally, one side of the connecting rod, which is close to the drill tip, is fixedly provided with a plurality of cutting picks.
Through adopting above-mentioned technical scheme, add the grinding effect that the drilling rod also can strengthen the drill bit body on the connecting rod, improve and creep into efficiency.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in reverse circulation drilling construction, when drilling meets gravel and other hard blocks, the drilling efficiency is low, the vibroflots are opened to vibrate the vibroflots, the drill bit body is driven to vibrate, the gravel hard blocks are crushed, the cutting teeth can grind the crushed blocks, the drilling efficiency of the drill bit body is improved, and the problem of low drilling efficiency of the gravel hard blocks in reverse circulation drilling construction is solved;
2. the vibroflot is arranged in an installation cylinder, the installation cylinder improves the installation position of the vibroflot and can protect the vibroflot;
3. the bracing piece can strengthen the structural strength of drill bit body, when the bumper jar vibrates, prevents that the drill bit body from damaging.
Drawings
Fig. 1 is a schematic perspective view of the present application.
Fig. 2 is a schematic view of the internal structure of the mounting cylinder of the present application.
Description of the reference numerals: 1. a drill bit body; 11. connecting a core pipe; 12. a retainer; 121. a connecting rod; 122. a support bar; 13. drilling a tip; 131. a fixing plate; 132. a cutting pick; 2. a vibroflotation device; 21. a hydraulic joint; 3. and (6) mounting the cylinder.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses vibroflotation reverse circulation drill bit structure. Referring to fig. 1, a vibroflotation reverse circulation drill bit structure includes drill bit body 1 and vibroflotation device 2, and vibroflotation device 2 installs on drill bit body 1, through the vibration of vibroflotation device 2, drives drill bit body 1 vibration to smash hard pieces such as gravel, continue to creep into.
The drill bit body 1 comprises a core connection pipe 11, the core connection pipe 11 is vertically arranged, and the core connection pipe 11 is used for pumping out slurry in a drilled hole to form slurry reverse circulation; be provided with the protective ring 12 on ally oneself with the core pipe 11, and protective ring 12 and the coaxial setting of ally oneself with core pipe 11, a plurality of connecting rods 121 of fixedly connected with between protective ring 12 and ally oneself with core pipe 11, a plurality of connecting rods 121 evenly set up along ally oneself with core pipe 11 circumference interval, the one end of connecting rod 121 is fixed on the inner wall of protective ring 12, the other end of connecting rod 121 is fixed on the outer wall of ally oneself with core pipe 11 to with protective ring 12 and ally oneself with core pipe 11 fixed connection.
A drill point 13 is further arranged at one end of the core connecting pipe 11, the drill point 13 comprises a plurality of fixing plates 131, the fixing plates 131 are vertically arranged, the fixing plates 131 are uniformly arranged along the circumferential direction of the core connecting pipe 11 at intervals, and the fixing plates 131 are fixedly connected to the circumferential wall of the core connecting pipe 11; a plurality of cutting picks 132 are respectively and fixedly arranged at one end of the fixing plates 131 far away from the core connecting pipe 11, and the cutting picks 132 are used for grinding hard blocks such as soil bodies and gravels.
Furthermore, a plurality of cutting picks 132 are respectively and fixedly arranged on the side, close to the drill tip 13, of the retainer 12 and the connecting rod 121, so that the grinding effect of the drill bit body 1 on the soil body is enhanced.
Still do not fixedly connected with bracing piece 122 between polylith fixed plate 131 and protective shroud 12, bracing piece 122 one end fixed connection is on the inner wall of protective shroud 12, and the other end fixed connection of bracing piece 122 is on fixed plate 131 top, and bracing piece 122 plays the additional strengthening, when vibroflotation device 2 vibrates, avoids drill bit body 1 to suffer destruction, and the influence is crept into the construction.
Referring to fig. 1 and 2, an installation cylinder 3 is arranged on a drill bit body 1, the installation cylinder 3 is arranged on one side, away from a drill tip 13, of a guard ring 12, the installation cylinder 3 is in a cylindrical shape with an open end, the installation cylinder 3 is sleeved on a core connecting pipe 11, the installation cylinder 3 and the core connecting pipe 11 are coaxially arranged, the open end of the installation cylinder 3 faces the guard ring 12, a port of the installation cylinder 3 is welded and fixed on the guard ring 12, and therefore the installation cylinder 3 is fixed on the drill bit body 1.
Shake towards ware 2 and set up two, two shake towards ware 2 and all set up inside installation section of thick bamboo 3, and two shake towards ware 2 and be located the both sides of antithetical couplet core pipe 11 respectively, will shake towards ware 2 welded fastening on the inner wall of installation section of thick bamboo 3 to shake towards ware 2 fixed mounting.
Be connected with hydraulic joint 21 on vibroflotation device 2, hydraulic joint 21 stretches out installation section of thick bamboo 3 and is connected with hydraulic equipment, and hydraulic equipment is used for driving vibroflotation device 2 vibration to drive the vibration of drill bit body 1.
The implementation principle of the vibroflotation reverse circulation drill bit structure of the embodiment of the application is as follows: in the reverse circulation drilling construction, when the drilling meets the hard blocks such as gravel and the like and influences the drilling, open the vibration of the hydraulic equipment driving vibroflotation device 2, thereby enabling the vibroflotation device 2 to drive the drill bit body 1 to vibroflotation, being capable of smashing the hard blocks such as gravel and the like, grinding the hard blocks through the cutting pick 132, and continuing to carry out the drilling construction, thereby not influencing the reverse circulation drilling construction.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A vibroflotation reverse circulation drill bit structure which characterized in that: the drill bit comprises a drill bit body (1), wherein the drill bit body (1) comprises a core connecting pipe (11), a guard ring (12) is further mounted on the core connecting pipe (11), a drill tip (13) is arranged at one end of the core connecting pipe (11), the drill tip (13) comprises a plurality of fixing plates (131), the fixing plates (131) are fixed on the peripheral wall of the core connecting pipe (11), and a plurality of cutting teeth (132) are fixed at one end, far away from the guard ring (12), of each fixing plate (131); the drill bit body (1) is provided with a vibroflot (2).
2. A vibro-pneumatic drill bit structure as claimed in claim 1, wherein: and a plurality of connecting rods (121) are fixedly arranged on the inner wall of the guard ring (12), and one ends of the connecting rods (121) far away from the guard ring (12) are fixedly connected to the outer wall of the core connecting pipe (11).
3. A vibro-pneumatic drill bit structure as claimed in claim 2, wherein: the drill bit comprises a drill bit body (1), and is characterized in that an installation cylinder (3) is arranged on the drill bit body (1), the port of the installation cylinder (3) is fixed on a connecting rod, a core connecting pipe (11) penetrates through the installation cylinder (3), and a vibroflot (2) is arranged in the installation cylinder (3).
4. A vibro-pneumatic drill bit structure as claimed in claim 3, wherein: the vibroflotation device (2) is fixedly connected to the inner wall of the mounting cylinder (3).
5. A vibro-pneumatic reverse circulation drill bit structure as claimed in claim 1, wherein: the two vibroflots (2) are arranged, and the two vibroflots (2) are respectively arranged on two sides of the combined core pipe (11).
6. A vibro-pneumatic drill bit structure as claimed in claim 1, wherein: support rods (122) are respectively and fixedly connected between the fixing plates (131) and the retainer (12).
7. A vibro-pneumatic drill bit structure as claimed in claim 1, wherein: a plurality of cutting bits (132) are fixedly arranged on the end, close to the drill tip (13), of the retainer (12).
8. A vibro-pneumatic drill bit structure as claimed in claim 2, wherein: and a plurality of cutting picks (132) are fixedly arranged on one side of the connecting rod (121) close to the drill tip (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220160391.3U CN216767272U (en) | 2022-01-20 | 2022-01-20 | Vibroflotation reverse circulation drill bit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220160391.3U CN216767272U (en) | 2022-01-20 | 2022-01-20 | Vibroflotation reverse circulation drill bit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216767272U true CN216767272U (en) | 2022-06-17 |
Family
ID=81978054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220160391.3U Expired - Fee Related CN216767272U (en) | 2022-01-20 | 2022-01-20 | Vibroflotation reverse circulation drill bit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216767272U (en) |
-
2022
- 2022-01-20 CN CN202220160391.3U patent/CN216767272U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220617 |