CN112502629B - Straight flute drill bit - Google Patents
Straight flute drill bit Download PDFInfo
- Publication number
- CN112502629B CN112502629B CN202011118332.1A CN202011118332A CN112502629B CN 112502629 B CN112502629 B CN 112502629B CN 202011118332 A CN202011118332 A CN 202011118332A CN 112502629 B CN112502629 B CN 112502629B
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- CN
- China
- Prior art keywords
- groove
- plate
- drill bit
- bolt
- rod
- 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.)
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- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 238000005553 drilling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- 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
- E21B10/00—Drill bits
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a straight flute drill bit, and relates to the technical field of drill bits. The invention comprises a fixing device, an auxiliary device and a top device, wherein the auxiliary device is arranged in the fixing device, the auxiliary device is clamped with the fixing device, the top of the auxiliary device extends to the outside of the top fixing device, the top device is arranged at the top of the auxiliary device, the bottom of the top device is fixedly connected with the top of the auxiliary device, the fixing device comprises a bottom plate, a top groove is arranged at the center of the top end of the bottom plate, a bolt is arranged in the bottom plate, the bolt is in threaded connection with the bottom plate, one end of the bolt is provided with a retaining plate fixedly connected with the bolt, and the retaining plate is arranged in the top groove. According to the invention, the drill bit can be primarily fixed by arranging the fixing device, and after the bolt is worn for a long time, the bolt can be tightly abutted against the vertical rod at the bottom of the drill bit by clamping the limiting rod and the clamping groove, so that the bolt is fixed more firmly.
Description
Technical Field
The invention belongs to the technical field of drill bits, and particularly relates to a straight flute drill bit.
Background
The PDC drill bit is a rock breaking tool widely used in the petroleum and natural gas exploration and development industry at present, effectively improves a mechanical drilling tool and shortens the drilling period, however, the conventional straight flute drill bit has certain defects in installation and fixation, and is fixed by bolts simply when being fixed, and when the drill bit is used for a long time, threads on the surfaces of the bolts are worn, so that the bolts cannot be sufficiently fixed, and the drill bit cannot be normally used.
Disclosure of Invention
The invention aims to provide a straight flute drill bit, which solves the existing problems: the existing straight flute drill bit is fixed through the bolts simply when being fixed, threads on the surfaces of the bolts are worn after the drill bit is used for a long time, the bolts cannot be used for sufficiently fixing the drill bit, and then the drill bit cannot be used normally.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a straight flute drill bit which comprises a fixing device, an auxiliary device and a top device, wherein the auxiliary device is arranged in the fixing device and is clamped with the fixing device, the top of the auxiliary device extends to the outside of the top fixing device, the top device is arranged at the top of the auxiliary device, and the bottom of the top device is fixedly connected with the top of the auxiliary device.
Further, fixing device includes the bottom plate, top center department of bottom plate is provided with the roof groove, be provided with the bolt in the bottom plate, bolt and bottom plate threaded connection, the one end of bolt is provided with the board of keeping out, keep out board and bolt fixed connection, the board of keeping out sets up in the roof groove, the bottom of bottom plate is provided with the undercut, be provided with the gag lever post in the undercut, gag lever post and undercut sliding connection, the one end of gag lever post extends to in the draw-in groove and with draw-in groove joint, be provided with the bolt in the bottom plate, the bolt runs through the gag lever post and pegging graft with the bottom plate.
Further, auxiliary device includes sill bar and montant, the montant extends to in the roof groove, the butt plate offsets with the montant, the surface of sill bar is provided with first steel ball, the surface fixed connection of first steel ball and sill bar, be provided with the spacing inslot in the bottom plate, be provided with the side groove in the spacing inslot.
Further, be provided with the slide in the side tank, slide and side tank sliding connection, be provided with powerful spring between the interior bottom wall of one end and the side tank of slide, powerful spring's both ends respectively with slide and side tank elastic connection, the other end of slide is provided with the second steel ball, second steel ball and slide fixed connection, the sill bar extends to in the spacing groove, first steel ball and second steel ball joint.
Further, the top device comprises a top plate and a drill bit, wherein the drill bit is arranged at the top center of the top plate and is fixedly connected with the top center of the top plate.
Further, the roof sets up the top at sill bar and montant, roof and sill bar, montant fixed connection, the cross section of roof is the rectangle.
The invention has the following beneficial effects:
1. according to the invention, the drill bit can be primarily fixed by arranging the fixing device, and after the bolt is worn for a long time, the bolt can be tightly abutted against the vertical rod at the bottom of the drill bit by clamping the limiting rod and the clamping groove, so that the bolt is fixed more firmly.
2. According to the invention, the vertical rod and the bottom plate can be tightly fixed together by arranging the auxiliary device, and the drill bit can be more firmly installed and fixed by twice fixation, so that the drill bit is prevented from loosening after long-time use, and further the drill bit can be normally used.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of the invention at B in FIG. 1;
fig. 4 is an enlarged view of the present invention at C in fig. 2.
In the drawings, the list of components represented by the various numbers is as follows:
1. a fixing device; 101. a bottom plate; 102. a top groove; 103. a retaining plate; 104. a bolt; 105. a clamping groove; 106. a limit rod; 107. a bottom groove; 108. a plug pin; 2. an auxiliary device; 201. a bottom bar; 202. a first steel ball; 203. a limit groove; 204. a side groove; 205. a strong spring; 206. a slide plate; 207. a second steel ball; 208. a vertical rod; 3. a top device; 301. a top plate; 302. a drill bit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention is a straight flute drill bit, which comprises a fixing device 1, an auxiliary device 2 and a top device 3, wherein the auxiliary device 2 is arranged in the fixing device 1, the auxiliary device 2 is clamped with the fixing device 1, the top of the auxiliary device 2 extends to the outside of the top fixing device 1, the top device 3 is arranged at the top of the auxiliary device 2, and the bottom of the top device 3 is fixedly connected with the top of the auxiliary device 2.
The fixing device 1 comprises a bottom plate 101, a top groove 102 is formed in the center of the top end of the bottom plate 101, a bolt 104 is arranged in the bottom plate 101, the bolt 104 is in threaded connection with the bottom plate 101, a retaining plate 103 is arranged at one end of the bolt 104, the retaining plate 103 is fixedly connected with the bolt 104, the retaining plate 103 is arranged in the top groove 102, a bottom groove 107 is formed in the bottom of the bottom plate 101, a limiting rod 106 is arranged in the bottom groove 107, the limiting rod 106 is in sliding connection with the bottom groove 107, one end of the limiting rod 106 extends into the clamping groove 105 and is clamped with the clamping groove 105, a bolt 108 is arranged in the bottom plate 101, the bolt 108 penetrates through the limiting rod 106 and is spliced with the bottom plate 101, and the fixing device 1 can be used for primarily fixing a vertical rod 208 and a drill bit 302.
The auxiliary device 2 comprises a bottom rod 201 and a vertical rod 208, the vertical rod 208 extends into the top groove 102, the abutting plate 103 abuts against the vertical rod 208, a first steel ball 202 is arranged on the outer surface of the bottom rod 201, the first steel ball 202 is fixedly connected with the outer surface of the bottom rod 201, a limiting groove 203 is formed in the bottom plate 101, a side groove 204 is formed in the limiting groove 203, and the auxiliary device 2 can fix the vertical rod 208 and the drill 302 again, so that the drill 302 is fixedly installed more firmly.
A sliding plate 206 is arranged in the side groove 204, the sliding plate 206 is in sliding connection with the side groove 204, a strong spring 205 is arranged between one end of the sliding plate 206 and the inner bottom wall of the side groove 204, two ends of the strong spring 205 are respectively in elastic connection with the sliding plate 206 and the side groove 204, a second steel ball 207 is arranged at the other end of the sliding plate 206, the second steel ball 207 is fixedly connected with the sliding plate 206, the bottom rod 201 extends into the limiting groove 203, and the first steel ball 202 and the second steel ball 207 are clamped.
The top device 3 comprises a top plate 301 and a drill bit 302, wherein the drill bit 302 is arranged at the top center of the top plate 301, the drill bit 302 is fixedly connected with the top center of the top plate 301, the top plate 301 is arranged at the tops of the bottom rod 201 and the vertical rod 208, the top plate 301 is fixedly connected with the bottom rod 201 and the vertical rod 208, and the cross section of the top plate 301 is rectangular.
One specific application of this embodiment is: firstly, the vertical rod 208 is inserted into the top groove 102, then the bolt 104 is rotated to enable the bolt 104 to drive the abutting plate 103 to abut against the vertical rod 208, then the limiting rod 106 is inserted into the clamping groove 105, at the moment, the limiting rod 106 moves in the bottom groove 107, then the plug pin 108 is inserted into the limiting rod 106, when the vertical rod 208 is inserted into the top groove 102, the bottom rod 201 is inserted into the limiting groove 203, at the moment, the first steel ball 202 presses the second steel ball 207, the second steel ball 207 and the sliding plate 206 move in the side groove 204, the vertical rod 208 can be fixed again through the clamping of the first steel ball 202 and the second steel ball 207, and the fixing work of the vertical rod 208 and the drill bit 302 is completed.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (3)
1. Straight flute drill bit, including fixing device (1), auxiliary device (2) and top device (3), its characterized in that: the auxiliary device (2) is arranged in the fixing device (1), the auxiliary device (2) is clamped with the fixing device (1), the top of the auxiliary device (2) extends to the outside of the top fixing device (1), the top device (3) is arranged at the top of the auxiliary device (2), and the bottom of the top device (3) is fixedly connected with the top of the auxiliary device (2);
the fixing device (1) comprises a bottom plate (101), a top groove (102) is formed in the center of the top end of the bottom plate (101), a bolt (104) is arranged in the bottom plate (101), the bolt (104) is in threaded connection with the bottom plate (101), a retaining plate (103) is arranged at one end of the bolt (104), the retaining plate (103) is fixedly connected with the bolt (104), the retaining plate (103) is arranged in the top groove (102), a bottom groove (107) is formed in the bottom of the bottom plate (101), a limiting rod (106) is arranged in the bottom groove (107), the limiting rod (106) is in sliding connection with the bottom groove (107), one end of the limiting rod (106) extends into a clamping groove (105) and is clamped with the clamping groove (105), a plug pin (108) is arranged in the bottom plate (101), and the plug pin (108) penetrates through the limiting rod (106) and is spliced with the bottom plate (101).
The auxiliary device (2) comprises a bottom rod (201) and a vertical rod (208), the vertical rod (208) extends into the top groove (102), the abutting plate (103) abuts against the vertical rod (208), a first steel ball (202) is arranged on the outer surface of the bottom rod (201), the first steel ball (202) is fixedly connected with the outer surface of the bottom rod (201), a limiting groove (203) is formed in the bottom plate (101), and a side groove (204) is formed in the limiting groove (203);
be provided with slide (206) in side groove (204), slide (206) and side groove (204) sliding connection, be provided with powerful spring (205) between the interior bottom wall of one end of slide (206) and side groove (204), the both ends of powerful spring (205) respectively with slide (206) and side groove (204) elastic connection, the other end of slide (206) is provided with second steel ball (207), second steel ball (207) and slide (206) fixed connection, sill bar (201) extend to in spacing groove (203), first steel ball (202) and second steel ball (207) joint.
2. A straight flute drill bit according to claim 1, wherein: the top device (3) comprises a top plate (301) and a drill bit (302), wherein the drill bit (302) is arranged at the top center of the top plate (301), and the drill bit (302) is fixedly connected with the top center of the top plate (301).
3. A straight flute drill bit according to claim 2, wherein: the top plate (301) is arranged at the tops of the bottom rod (201) and the vertical rod (208), the top plate (301) is fixedly connected with the bottom rod (201) and the vertical rod (208), and the cross section of the top plate (301) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011118332.1A CN112502629B (en) | 2020-10-19 | 2020-10-19 | Straight flute drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011118332.1A CN112502629B (en) | 2020-10-19 | 2020-10-19 | Straight flute drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112502629A CN112502629A (en) | 2021-03-16 |
| CN112502629B true CN112502629B (en) | 2023-12-22 |
Family
ID=74953906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011118332.1A Active CN112502629B (en) | 2020-10-19 | 2020-10-19 | Straight flute drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112502629B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6039038A (en) * | 1997-02-03 | 2000-03-21 | Robert Bosch Gmbh | Drilling assisting device for hand-guided drill |
| KR20090056661A (en) * | 2007-11-30 | 2009-06-03 | 전남과학대학 산학협력단 | Drill for anchor bolt hole drilling |
| CN207824034U (en) * | 2018-01-08 | 2018-09-07 | 吴万军 | A kind of drill bit fixing device |
| CN208830889U (en) * | 2018-08-17 | 2019-05-07 | 江苏金亚益重工科技有限公司 | A kind of rotary drilling rig being conveniently replaceable drill bit |
| CN208950498U (en) * | 2018-09-18 | 2019-06-07 | 何积鹏 | A kind of oil exploitation new drill |
| CN208961066U (en) * | 2018-11-20 | 2019-06-11 | 武汉阿诺精密工具有限公司 | New drill is used in a kind of punching |
| CN209523711U (en) * | 2018-12-25 | 2019-10-22 | 湖北大好工具有限公司 | A kind of dual-purpose type diamond core bit being easily installed |
| CN211370299U (en) * | 2020-01-02 | 2020-08-28 | 冯文意 | High efficiency oil development drill bit |
-
2020
- 2020-10-19 CN CN202011118332.1A patent/CN112502629B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6039038A (en) * | 1997-02-03 | 2000-03-21 | Robert Bosch Gmbh | Drilling assisting device for hand-guided drill |
| KR20090056661A (en) * | 2007-11-30 | 2009-06-03 | 전남과학대학 산학협력단 | Drill for anchor bolt hole drilling |
| CN207824034U (en) * | 2018-01-08 | 2018-09-07 | 吴万军 | A kind of drill bit fixing device |
| CN208830889U (en) * | 2018-08-17 | 2019-05-07 | 江苏金亚益重工科技有限公司 | A kind of rotary drilling rig being conveniently replaceable drill bit |
| CN208950498U (en) * | 2018-09-18 | 2019-06-07 | 何积鹏 | A kind of oil exploitation new drill |
| CN208961066U (en) * | 2018-11-20 | 2019-06-11 | 武汉阿诺精密工具有限公司 | New drill is used in a kind of punching |
| CN209523711U (en) * | 2018-12-25 | 2019-10-22 | 湖北大好工具有限公司 | A kind of dual-purpose type diamond core bit being easily installed |
| CN211370299U (en) * | 2020-01-02 | 2020-08-28 | 冯文意 | High efficiency oil development drill bit |
Non-Patent Citations (1)
| Title |
|---|
| 鄂尔多斯盆地南梁油田西区PDC钻头切削齿磨损分析及应用研究;李宬晓;顾从越;李荣;周杨;王振乾;李澍;段书龙;;钻采工艺(06);71-75 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112502629A (en) | 2021-03-16 |
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