CN216950250U - Combined drill bit for fishing foreign matters in hole - Google Patents
Combined drill bit for fishing foreign matters in hole Download PDFInfo
- Publication number
- CN216950250U CN216950250U CN202220600727.3U CN202220600727U CN216950250U CN 216950250 U CN216950250 U CN 216950250U CN 202220600727 U CN202220600727 U CN 202220600727U CN 216950250 U CN216950250 U CN 216950250U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- hole
- alloy
- fishing
- female cone
- 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.)
- Expired - Fee Related
Links
- 239000000956 alloy Substances 0.000 claims abstract description 55
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 55
- 238000005553 drilling Methods 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000011435 rock Substances 0.000 abstract description 7
- 238000004080 punching Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to the technical field of drilling, in particular to a combined drill bit for salvaging foreign matters in a hole, which comprises a drill rod female cone, wherein a hollow connecting steel column is arranged on the bottom surface of an inner cavity of the drill rod female cone, an alloy drill bit is arranged at one end of the hollow connecting steel column, a plurality of sharp pieces are arranged on the alloy drill bit around the axis of the alloy drill bit, inner chutes are formed in the inner walls of the sharp pieces, connecting rods are connected in the inner chutes in a sliding manner, one end of each connecting rod is connected with a top piece, the bottom surface of the top piece is connected with a spring, the lower end of the spring is connected with the bottom surface of the inner cavity of the alloy drill bit, the device drills holes with small apertures through the alloy drill bit, then the alloy drill bit is taken out of the drill holes, after the alloy drill bit is taken out, the foreign matters in the drill holes can fall into the small holes drilled by the alloy drill bit, then the drill holes are drilled and cored through normal drill bits, and then the foreign bodies and the rock cores can be synchronously taken out after normal punching is continued.
Description
Technical Field
The utility model relates to the technical field of drilling, in particular to a combined drill bit for fishing foreign matters in a hole.
Background
Drilling refers to the operation of machining a hole in a solid material with a drill bit. In the geological exploration work, a drilling device is utilized to drill a cylindrical round hole with smaller diameter and larger depth into the underground, which is also called a well drilling. The bore holes for drilling oil and gas and groundwater are larger in diameter. The borehole diameter and depth size depend on the geological mineral deposit depth and the purpose of the borehole.
There are problems as follows:
when drilling engineering construction depression angle hole, hard foreign matter such as bolt, nut, brill tooth fall into in the hole and take place occasionally, because of the less normal method of adopting of foreign matter is difficult for salvaging, hard foreign matter is difficult for wearing off again, and the drilling can't creep into, must only scrap the processing to the drilling, and need be under construction new drilling again after the drilling is scrapped, influences the engineering progress promptly and causes economic loss again.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a combined drill bit for fishing foreign matters in a hole, so as to solve the problems in the background technology.
The technical scheme of the utility model is as follows: the utility model provides a combination drill bit of downthehole foreign matter salvages, includes the female awl of drilling rod, be provided with cavity connection steel column on the inner chamber bottom surface of the female awl of drilling rod, and the one end that just cavity connects the steel column is provided with the alloy drill bit, the alloy drill bit is provided with a plurality of point spare around its axis, and all has seted up interior spout on the inner wall of a plurality of point spare to equal sliding connection has the connecting rod in the spout in a plurality of, the one end of connecting rod is connected with the kicking piece, and the bottom surface of kicking piece is connected with the spring to the lower extreme of spring is connected with the inner chamber bottom surface of alloy drill bit.
Preferably, one end of the drill rod female cone is provided with a threaded column coaxial with the drill rod female cone, and the outer wall of the threaded column is in threaded connection with a connecting piece.
Preferably, the outer wall of the connecting piece is in threaded connection with an outer sleeve, one end of the outer sleeve is connected with one end of the drill rod female cone, and the diameter of an inner cavity of the outer sleeve is larger than that of the threaded column.
Preferably, the diameter of the top piece is smaller than the diameter of the inner cavity of the alloy drill bit.
Preferably, the diameter of the drill rod female cone is larger than that of the hollow connecting steel column.
Preferably, the top piece forms a sliding structure through an inner sliding groove of the connecting rod on the pointed piece.
The utility model provides a combined drill bit for fishing foreign matters in a hole by improvement, compared with the prior art, the combined drill bit has the following improvements and advantages:
according to the alloy drill bit, the alloy drill bit is used for drilling a hole with a small aperture, then the alloy drill bit is taken out of the hole, after the alloy drill bit is taken out, foreign matters in the hole can fall into the small hole drilled by the alloy drill bit, then the normal drill bit is used for drilling and coring, and after the normal hole is drilled, the foreign matters and the rock core can be synchronously taken out, so that the foreign matters in the hole can be conveniently taken out.
Drawings
The utility model is further explained below with reference to the figures and examples:
FIG. 1 is a perspective view of a combination drill bit for fishing out foreign matter in a hole according to the present invention;
FIG. 2 is a cross-sectional view of a combination drill bit of the present invention for fishing foreign matter from within a hole;
FIG. 3 is a split view of a combination drill bit of the present invention for fishing foreign matter from within a hole;
FIG. 4 is a cross-sectional view of an alloy bit of a combination drill bit of the present invention for fishing foreign matter from within a hole;
FIG. 5 is a schematic view of the bottom of the borehole of the present invention falling into hard foreign matter;
FIG. 6 is a schematic view of the alloy drill bit of the present invention for drilling a hole;
FIG. 7 is a schematic view of the utility model showing hard foreign matter falling into a small aperture;
FIG. 8 is a schematic view of the present invention for coring and capturing foreign matter;
fig. 9 is a schematic view showing the removal of foreign matter according to the present invention.
Description of reference numerals: 1. an alloy drill bit; 2. a top piece; 3. a connecting rod; 4. connecting the steel columns in a hollow way; 5. a drill rod female cone; 6. an outer sleeve; 7. a connecting member; 8. an inner chute; 9. a spring; 10. a threaded post; 11. a tip.
Detailed Description
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
The utility model provides a combined drill bit for salvaging foreign matters in a hole through improvement, and the technical scheme of the combined drill bit is as follows:
as shown in fig. 1 to 9, a combination drill for salvaging foreign matters in a hole comprises a drill rod female cone 5, wherein a hollow connecting steel column 4 is arranged on the bottom surface of an inner cavity of the drill rod female cone 5, an alloy drill 1 is arranged at one end of the hollow connecting steel column 4, the alloy drill 1 is provided with a plurality of sharp pieces 11 around the axis thereof, inner chutes 8 are formed in the inner walls of the sharp pieces 11, connecting rods 3 are slidably connected in the inner chutes 8, one end of each connecting rod 3 is connected with a top piece 2, the bottom surface of the top piece 2 is connected with a spring 9, the lower end of the spring 9 is connected with the bottom surface of the inner cavity of the alloy drill 1, and by means of the structure, when the drilling engineering is used for drilling the depression hole, foreign matters can frequently fall into the depression hole, and the fallen foreign matters are not easy to salvage, so that hard foreign matters are not easy to wear off, which can lead to drilling holes to be unable to drill, thus, the existing drill bit can be withdrawn, then the outer sleeve 6 is in threaded connection with the connecting piece 7 on the drilling machine, meanwhile, the inner wall of the connecting piece 7 is in synchronous threaded connection with the threaded column 10, then the hollow connecting steel column 4 at one end of the drill rod female cone 5 is inserted into a drill hole in which foreign matters fall, then the drilling machine is started, then the drilling machine drives the hollow connecting steel column 4, then the alloy drill bit 1 is driven by the hollow connecting steel column 4, then the alloy drill bit 1 extrudes the top piece 2 downwards, the top piece 2 slides upwards in the inner chute 8 on the inner wall of the sharp piece 11 through the connecting rod 3 on the outer wall, the spring 9 is extruded by the top piece 2 in the process of sliding downwards, then the spring 9 can be compressed into the inner cavity of the alloy drill bit 1, so that the alloy drill bit 1 can be effectively buffered when being in contact with the bottom of the hole, then the drill hole is drilled in a small-diameter through the alloy drill bit 1, then take out alloy bit 1 from the drilling, alloy bit 1 takes out the back next, and the foreign matter in the drilling can fall into the aperture that alloy bit 1 bored (as figure 7), then is boring through normal drill bit and is coring (as figure 8), can take out foreign matter and rock core in step after normally boring next, and the foreign matter that like this can be convenient takes out downthehole foreign matter (as figure 9).
One end of the drill rod female cone 5 is provided with a threaded column 10 coaxial with the drill rod female cone, the outer wall of the threaded column 10 is in threaded connection with a connecting piece 7, the outer sleeve 6 at one end of the drill rod female cone 5 is in threaded connection with the connecting piece 7 on the drilling machine when the drill rod female cone 5 needs to be installed through the structure, and the drilling machine drives the alloy drill bit 1 connected to the drill rod female cone 5 to be connected.
Threaded connection has outer sleeve 6 on the outer wall of connecting piece 7, and the one end of outer sleeve 6 is connected with the one end of female awl 5 of drilling rod to the inner chamber diameter of outer sleeve 6 is greater than the diameter of screw thread post 10, makes when needs are connected connecting piece 7 and outer sleeve 6 through above-mentioned structure, can drive female awl 5 of drilling rod through connecting piece 7, then female awl 5 of drilling rod drives hollow connection steel column 4, and hollow connection steel column 4 can drive alloy drill bit 1 and drill hole afterwards.
The diameter of the top piece 2 is smaller than the diameter of the inner cavity of the alloy drill bit 1, and the alloy drill bit 1 can be in contact with the bottom of a drill hole through the top piece 2 to generate certain buffering through the structure, so that the damage rate of the alloy drill bit 1 can be reduced to a certain extent.
The diameter of the drill rod female cone 5 is larger than that of the hollow connecting steel column 4, and by means of the structure, when the small-aperture drilling of the drill hole with the foreign matter falling into is carried out, the alloy drill bit 1 can be driven through the hollow connecting steel column 4, and then the alloy drill bit 1 carries out the small-aperture drilling.
The ejector 2 forms a sliding structure through the inner chute 8 of the connecting rod 3 on the sharp piece 11, and the alloy drill bit 1 can be conveniently buffered through the ejector 2 when the alloy drill bit 1 drills in a small aperture through the structure, so that the abrasion of the alloy drill bit 1 can be effectively reduced.
The working principle is as follows: when the combined drill bit for salvaging the foreign matters in the hole is used, whether parts of the equipment are damaged or not is checked firstly, after the check is finished, the prepared drill bit is aligned to the rock and the ore needing to be drilled, then the drilling machine is started, then the drilling machine drives the alloy drill bit 1 to drill the rock and the ore, meanwhile, the alloy drill bit 1 can be effectively protected through the elastic contact of the top piece 2 and the rock and the ore, the foreign matters frequently fall into the depression hole in the process of drilling the depression hole, the fallen foreign matters are not easy to salvage, so that the hard foreign matters are not easy to grind, the drilled hole cannot be drilled, the existing drill bit can be retreated, then the outer sleeve 6 is in threaded connection with the connecting piece 7 on the drilling machine, meanwhile, the inner wall of the connecting piece 7 is in synchronous threaded connection with the threaded column 10, then the hollow connection steel column 4 at one end of the drill rod female cone 5 is inserted into the drilled hole in which the foreign matters fall, then the drilling machine is started, then the drilling machine drives the hollow connecting steel column 4, then the hollow connecting steel column 4 drives the alloy drill bit 1, then the alloy drill bit 1 extrudes the top piece 2 downwards, the top piece 2 slides downwards in the inner chute 8 on the inner wall of the sharp piece 11 through the connecting rod 3 on the outer wall, the top piece 2 extrudes the spring 9 in the upward moving process, then the spring 9 can be compressed into the inner cavity of the alloy drill bit 1, so that the alloy drill bit 1 can be effectively buffered when contacting with the bottom of the hole, then small-aperture drilling is carried out on the drilled hole through the alloy drill bit 1, then the alloy drill bit 1 is taken out from the drilled hole, after the alloy drill bit 1 is taken out, foreign matters in the drilled hole can fall into the small hole drilled by the alloy drill bit 1 (as shown in figure 7), then core drilling is carried out through a normal drill bit (as shown in figure 8), then the foreign matters and the rock core can be synchronously taken out after normal drilling, therefore, the foreign matters in the hole can be conveniently taken out (as shown in figure 9), and the working principle of the combined drill bit for fishing the foreign matters in the hole is the same.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a combination drill bit of downthehole foreign matter salvages, includes drilling rod female cone (5), its characterized in that, be provided with cavity connection steel column (4) on the inner chamber bottom surface of drilling rod female cone (5), and the one end of cavity connection steel column (4) is provided with alloy drill bit (1), alloy drill bit (1) is provided with a plurality of point (11) around its axis, and all has seted up interior spout (8) on the inner wall of a plurality of point (11) to equal sliding connection has connecting rod (3) in spout (8) in a plurality of, the one end of connecting rod (3) is connected with kicking piece (2), and the bottom surface of kicking piece (2) is connected with spring (9) to the lower extreme of spring (9) is connected with the inner chamber bottom surface of alloy drill bit (1).
2. A combination drill bit for fishing foreign matter from within a hole as claimed in claim 1, wherein: one end of the drill rod female cone (5) is provided with a threaded column (10) coaxial with the drill rod female cone, and the outer wall of the threaded column (10) is in threaded connection with a connecting piece (7).
3. A combination drill bit for fishing foreign matter from within a hole as claimed in claim 2, wherein: an outer sleeve (6) is connected to the outer wall of the connecting piece (7) in a threaded mode, one end of the outer sleeve (6) is connected with one end of the drill rod female cone (5), and the diameter of an inner cavity of the outer sleeve (6) is larger than that of the threaded column (10).
4. A combination drill bit for fishing foreign matter from within a hole as claimed in claim 1, wherein: the diameter of the top piece (2) is smaller than the diameter of the inner cavity of the alloy drill bit (1).
5. A combination drill bit for fishing foreign matter from within a hole as claimed in claim 1, wherein: the diameter of the drill rod female cone (5) is larger than that of the hollow connecting steel column (4).
6. A combination drill bit for fishing foreign matter from within a hole as claimed in claim 1, wherein: the top piece (2) forms a sliding structure through an inner sliding groove (8) of the connecting rod (3) on the sharp piece (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220600727.3U CN216950250U (en) | 2022-03-18 | 2022-03-18 | Combined drill bit for fishing foreign matters in hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220600727.3U CN216950250U (en) | 2022-03-18 | 2022-03-18 | Combined drill bit for fishing foreign matters in hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216950250U true CN216950250U (en) | 2022-07-12 |
Family
ID=82297659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220600727.3U Expired - Fee Related CN216950250U (en) | 2022-03-18 | 2022-03-18 | Combined drill bit for fishing foreign matters in hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216950250U (en) |
-
2022
- 2022-03-18 CN CN202220600727.3U patent/CN216950250U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA3004688C (en) | An engineering geological drilling construction method based on wire line coring drilling tool | |
| CN218467567U (en) | Hole-expandable drill bit for oil and gas excavation | |
| CN108915605A (en) | A kind of easy-to-dismount diamond bit | |
| CN216950250U (en) | Combined drill bit for fishing foreign matters in hole | |
| CN203124799U (en) | High-speed deep hole drill and drilling processes thereof | |
| CN116677323A (en) | Core sampling drill bit for environmental monitoring geotechnical engineering and use method thereof | |
| CN104100204B (en) | Combined PDC bit | |
| CN108825137B (en) | Hard rock coating drill bit | |
| CN202866658U (en) | Assembling type hole dilating drill | |
| CN212428688U (en) | Returnable fishing spear | |
| CN202745783U (en) | Drilling and milling type spiral external hook for salvaging clustered sucker rod | |
| CN212958458U (en) | Mechanical rotation guiding drilling tool | |
| CN114753792A (en) | Rope coring well track monitoring device | |
| CN210217679U (en) | Small well bore sleeve milling, making and buckling, fishing and well repairing tool | |
| CN210509048U (en) | Micro-coring bit structure while drilling | |
| CN215108750U (en) | Drill bit for rotary drilling of stratum | |
| CN210375762U (en) | Coal geological drilling sampling device | |
| CN201843553U (en) | Pyriform device for crushing underground fallen blocks while drilling | |
| CN219864867U (en) | Reaming device for well drilling | |
| CN111206884B (en) | Drill rod connecting sleeve | |
| CN204782767U (en) | Tunnel country rock dowelling jig utensil of preventing collapsing | |
| CN210239595U (en) | Drilling tool for preventing hole shrinkage and burying drilling in unconsolidated formation | |
| CN216477225U (en) | Quick coring device of coal road in pit | |
| CN215367184U (en) | Engineering supervision site is with exploring borer machine | |
| CN202788712U (en) | Tool for fishing well wall coring cylinder |
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: 20220712 |