CN217925779U - Device for improving core sampling rate of single-tube drilling tool - Google Patents
Device for improving core sampling rate of single-tube drilling tool Download PDFInfo
- Publication number
- CN217925779U CN217925779U CN202221995765.XU CN202221995765U CN217925779U CN 217925779 U CN217925779 U CN 217925779U CN 202221995765 U CN202221995765 U CN 202221995765U CN 217925779 U CN217925779 U CN 217925779U
- Authority
- CN
- China
- Prior art keywords
- core
- core barrel
- gyrator
- drilling rod
- drill bit
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 40
- 238000005070 sampling Methods 0.000 title description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011435 rock Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims 3
- 239000012530 fluid Substances 0.000 abstract description 17
- 238000011010 flushing procedure Methods 0.000 abstract description 6
- 238000009991 scouring Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000036346 tooth eruption Effects 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a about improving single tube drilling tool rock core rate of taking device, including the drilling rod, the top fixedly connected with gyrator of drilling rod, the right side top intercommunication of gyrator has the water swivel, the bottom fixedly connected with core barrel of drilling rod, the bottom fixedly connected with drill bit of core barrel, the right side of core barrel inner chamber is provided with the iron wire, the inner chamber of core barrel has bored and has got the rock core, the surface of rock core and the surface in close contact with of iron wire, the drilling rod adopts circular design, and the top connection is left-handed female thread, and the bottom connection is the dextrorotation male thread. The utility model discloses a cooperation of water swivel, gyrator, drilling rod, core barrel, iron wire and drill bit is used, utilizes the gyrator to carry out steady voltage reposition of redundant personnel, deceleration to sending into the inside flush fluid of core barrel, reduces the flush fluid velocity around the intraductal core of core, combines the hierarchical arrangement of drill bit cutting tooth, reduces the flushing fluid and to the scouring action of core, improves the rock core rate of taking.
Description
Technical Field
The utility model relates to a geological exploration technical field specifically is a device about improving single tube drilling tool rock core rate of taking.
Background
The core-taking method is closely related to the drilling method, the core-taking method is matched with the drilling method and is suitable for cores of different rock and ore layers, the core-taking method is selected according to physical and mechanical properties formed by the composition and structural characteristics of the rock and ore layers and corresponding core-taking difficulty, the single-tube core-taking drilling tool is simple in structure, the single-tube core-taking drilling tool is mostly used for drilling and taking cores of the upper fourth, recent and ancient rock and ore layers in geological core drilling, when the geological core drilling is carried out on kaolin which is high in viscosity, strong in plasticity and water-swelling and loose and easily scoured strata, the viscosity of bentonite flushing fluid used is high, a double-tube drilling tool cannot be adopted, only a single-tube core-tube drilling tool can be selected, in the drilling construction, the flushing fluid in the core can continuously scour the core, so that the core-taking rate is low, the existing core-taking method for the loose and easily scoured strata mainly improves the performance of the flushing fluid, selects proper drilling procedure parameters, leads to advance a drill bits and the like, and the core-taking rate of the whole easily loosened and easily scoured strata is not improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a about improving single tube drilling tool rock core rate of taking device, possess the advantage that the sample rate is high, solved not yet complete set of single tube drilling tool of perfection and be used for improving the problem of the loose heart rate of getting that easily brushes the stratum.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a about improving single tube drilling tool rock core rate of taking device, includes the drilling rod, the top fixedly connected with gyrator of drilling rod, the right side top intercommunication of gyrator has the water swivel, the bottom fixedly connected with core barrel of drilling rod, the bottom fixedly connected with drill bit of core barrel, the right side of core barrel inner chamber is provided with the iron wire, the inner chamber of core barrel is bored and is got the rock core, the surface in close contact with of surface of rock core and iron wire.
Preferably, the drill rod is designed in a circular shape, the upper connector is a left-hand female thread, and the lower connector is a right-hand male thread.
Preferably, the right side of the water joint is designed to be a water inlet end, and the water inlet end is designed to be a quick joint.
Preferably, the diameter of the drill bit is larger than that of the core barrel, and the drill bit is designed to be a hollow structure.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a cooperation of water swivel, gyrator, drilling rod, core barrel, iron wire and drill bit is used, utilizes the gyrator to carry out steady voltage reposition of redundant personnel, deceleration to sending into the inside flush fluid of core barrel, reduces the flush fluid velocity around the intraductal core of core, combines the hierarchical arrangement of drill bit cutting tooth, reduces the flushing fluid and to the scouring action of core, improves the rock core rate of taking.
2. The utility model discloses an adopt circular design with the drilling rod, and the top connection is levogyration box thread, and the bottom connection is dextrorotation pin thread, can be convenient for connect many drilling rods, and the right side through with the water swivel designs for the water inlet end, and the water inlet end adopts the quick-operation joint design, can guarantee the rapidity of connecting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a water joint; 2. a gyrator; 3. drilling a rod; 4. a core barrel; 5. a core; 6. iron wire; 7. a drill bit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The components of the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components are all known by the technicians through technical manuals or through conventional experimental methods.
Referring to fig. 1, a device for increasing core sampling rate of a single-tube drilling tool comprises a drill rod 3, wherein the drill rod 3 is designed in a circular shape, an upper connector is a left-handed female thread, a lower connector is a right-handed male thread, the drill rod 3 is designed in a circular shape, the upper connector is a left-handed female thread, the lower connector is a right-handed male thread, a plurality of drill rods 3 can be conveniently connected, a gyrator 2 is fixedly connected to the top of the drill rod 3, a water connector 1 is communicated with the top of the right side of the gyrator 2, the right side of the water connector 1 is designed to be a water inlet end, the water inlet end is designed to be a quick connector, and the connection rapidity can be ensured, the bottom fixedly connected with core barrel 4 of drilling rod 3, the bottom fixedly connected with drill bit 7 of core barrel 4, the diameter of drill bit 7 is greater than the diameter of core barrel 4, and drill bit 7 designs to hollow structure, the right side of core barrel 4 inner chamber is provided with iron wire 6, the inner chamber of core barrel 4 is bored and is got there is rock core 5, the surface of rock core 5 and the surperficial in close contact with of iron wire 6, through water swivel 1, gyrator 2, drilling rod 3, core barrel 4, iron wire 6 and drill bit 7's cooperation is used, utilize gyrator 2 to carry out steady voltage reposition of redundant personnel, the deceleration to the flush fluid of sending into core barrel 4 inside, reduce the flush fluid velocity of flow around the core in the core barrel 4, combine 7 cutting teeth's hierarchical arrangement of drill bit, reduce the scouring action of flush fluid to the rock core, improve the rock core rate of taking.
During the use, connecting pipe through will pour into flush fluid equipment is connected with water swivel 1, then sends into the inner chamber of core pipe 4 with the flush fluid through gyrator 2, carries out steady voltage reposition of redundant personnel, deceleration to the flush fluid of sending into core pipe 4 inside through gyrator 2, reduces the flush fluid velocity of flow around the core in the core pipe 4, combines 7 cutting teeth's of drill bit hierarchical arrangement, reduces the flushing fluid to the scouring action of rock core to can improve the rock core rate of taking.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a about improving single tube drilling tool rock core rate of taking device, includes drilling rod (3), its characterized in that: the top fixedly connected with gyrator (2) of drilling rod (3), the right side top intercommunication of gyrator (2) has water swivel (1), the bottom fixedly connected with core barrel (4) of drilling rod (3), the bottom fixedly connected with drill bit (7) of core barrel (4), the right side of core barrel (4) inner chamber is provided with iron wire (6), the inner chamber of core barrel (4) is bored and is got rock core (5), the surface in close contact with in surface of rock core (5) and iron wire (6).
2. The device for improving the core extraction rate of the single-tube drilling tool as claimed in claim 1, wherein the device comprises: the drill rod (3) is designed in a circular shape, the upper connector is a left-hand female thread, and the lower connector is a right-hand male thread.
3. The device for improving the core extraction rate of the single tube drilling tool as claimed in claim 1, wherein: the right side of the water joint (1) is designed to be a water inlet end, and the water inlet end is designed to be a quick joint.
4. The device for improving the core extraction rate of the single-tube drilling tool as claimed in claim 1, wherein the device comprises: the diameter of the drill bit (7) is larger than that of the core barrel (4), and the drill bit (7) is designed to be of a hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221995765.XU CN217925779U (en) | 2022-07-29 | 2022-07-29 | Device for improving core sampling rate of single-tube drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221995765.XU CN217925779U (en) | 2022-07-29 | 2022-07-29 | Device for improving core sampling rate of single-tube drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217925779U true CN217925779U (en) | 2022-11-29 |
Family
ID=84151429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221995765.XU Expired - Fee Related CN217925779U (en) | 2022-07-29 | 2022-07-29 | Device for improving core sampling rate of single-tube drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217925779U (en) |
-
2022
- 2022-07-29 CN CN202221995765.XU patent/CN217925779U/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: 20221129 |