CN215369822U - Soft rock core sampling device who describes cohesive soil that moulds - Google Patents
Soft rock core sampling device who describes cohesive soil that moulds Download PDFInfo
- Publication number
- CN215369822U CN215369822U CN202120210313.5U CN202120210313U CN215369822U CN 215369822 U CN215369822 U CN 215369822U CN 202120210313 U CN202120210313 U CN 202120210313U CN 215369822 U CN215369822 U CN 215369822U
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- groove
- sealing
- rod
- drilling tool
- sealing seat
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- 238000005070 sampling Methods 0.000 title claims abstract description 27
- 239000002689 soil Substances 0.000 title claims abstract description 24
- 239000011435 rock Substances 0.000 title abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 84
- 238000005553 drilling Methods 0.000 claims abstract description 76
- 239000004927 clay Substances 0.000 claims abstract description 8
- 238000000605 extraction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 9
- 238000011010 flushing procedure Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The application relates to a core sampling device for soft plastic clay, which relates to the field of drilling technology and comprises a drill rod, a drilling tool and a connecting piece, wherein a connecting groove is formed in the drill rod along the length direction of the drill rod; the connecting piece comprises a sealing seat and a sealing ball, wherein the sealing seat is provided with a sealing groove along the length direction of the sealing seat, the sealing groove, a connecting groove and a sampling groove are communicated, and the diameter of the connecting groove is larger than that of the sealing groove; the sealing ball is located in the sealing groove and is in sliding connection with the sealing groove. This application has the effect of being convenient for carry out the extraction of the rock core of cohesive soil.
Description
Technical Field
The application relates to the field of drilling technology, in particular to a core sampling device for soft plastic clay.
Background
The clay soil contains more clay particles and has smaller water permeability. The compacted product has good water stability, high strength and large capillary action. The water-soluble inorganic salt has fine particles, small and many pores, weak water permeability, expansion and contraction characteristics and mechanical properties which are changed along with the water content.
The core extraction rate is an important index for measuring the drilling quality. In bedrock drilling, a core is generally extracted by a core-seizing method, and a core is generally extracted by a dry drilling method for clayey soil.
In view of the above-mentioned related technologies, the inventor believes that when the core of the cohesive soil is extracted, due to the existence of a certain height of water column pressure in the drill rod, the situation that the core is not adhered to the drilling tool is easy to occur, and thus the extraction of the core of the cohesive soil is inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to facilitate the extraction of the rock core of cohesive soil, the application provides a soft plastic form rock core sampling device of cohesive soil.
The application provides a soft rock core sampling device who moulds form cohesive soil adopts following technical scheme:
a core sampling device for soft plastic-shaped cohesive soil comprises a drill rod, a drilling tool and a connecting piece, wherein a connecting groove is formed in the drill rod along the length direction of the drill rod, a sampling groove is formed in the drilling tool along the length direction of the drilling tool, the connecting piece comprises a sealing seat and a sealing ball, a sealing groove is formed in the sealing seat along the length direction of the sealing seat, the sealing groove, the connecting groove and the sampling groove are communicated, and the diameter of the connecting groove is larger than that of the sealing groove; the sealing ball is located in the sealing groove and is in sliding connection with the sealing groove, one end of the connecting piece is connected with the drill rod, and the other end of the connecting piece is connected with the drilling tool.
Through adopting above-mentioned technical scheme, the connecting piece can block during the flush fluid gets into the drilling tool when promoting the drilling tool to can extract the rock core of cohesive soil. When the sealing seat is used, the sealing seat is connected between the drill rod and the drilling tool, and the flushing fluid jacks up the sealing ball and enters the connecting groove of the drill rod together in the descending process of the drilling tool; when the drilling tool descends, the sealing ball falls down and blocks flushing fluid in the drill rod from entering the drilling tool, so that negative pressure is generated in the drilling tool, and the extraction of the core of the cohesive soil is facilitated.
Optionally, the seal groove includes mounting groove and the sliding tray of intercommunication, mounting groove and spread groove intercommunication, the sliding tray communicates with the sample groove, the diameter of mounting groove is greater than the diameter of sliding tray, the diameter of spread groove is greater than or equal to the diameter of mounting groove, the diameter of ball sealer equals with the diameter of mounting groove.
By adopting the technical scheme, the mounting groove is communicated with the connecting groove, so that the sealing ball can conveniently enter the connecting groove; the sliding groove is communicated with the sampling groove, so that a channel is provided for flushing fluid to enter the drill rod, and the flushing fluid can enter conveniently.
Optionally, the seal seat is detachably connected with the drilling tool.
Through adopting above-mentioned technical scheme, seal receptacle and drilling tool can be dismantled and be connected, and the personnel of being convenient for carry out the change and the installation of seal receptacle and drilling tool.
Optionally, a connecting rod is arranged at one end, close to the drilling tool, of the sealing seat, a connecting hole is formed in the drilling tool, and the connecting rod is matched with the connecting hole and is in threaded connection with the connecting hole.
Through adopting above-mentioned technical scheme, the connecting hole can play the effect of location to the connecting rod, is convenient for carry out the connection of seal receptacle and drilling tool. Make the connecting rod be close to the connecting hole to the connecting rod rotates, thereby can realize being connected of connecting rod and connecting hole, and then can realize being connected of seal receptacle and drilling tool.
Optionally, a fixing rod is arranged at one end, close to the sealing seat, of the drilling tool, a fixing hole is formed in the sealing seat, and the fixing rod is matched with the fixing hole and is in threaded connection with the fixing hole.
Through adopting above-mentioned technical scheme, make the dead lever on the drilling tool be close to the fixed orifices on the seal receptacle to the dead lever rotates, thereby realizes being connected of dead lever and fixed orifices, and then has realized being connected of drilling tool and seal receptacle.
Optionally, the seal seat is detachably connected with the drill rod.
Through adopting above-mentioned technical scheme, the seal receptacle can be dismantled with the drilling rod and be connected, and the personnel of being convenient for install and change.
Optionally, one end of the sealing seat, which is close to the drill rod, is provided with a positioning hole, and one end of the drill rod, which is close to the sealing seat, is provided with a positioning rod, and the positioning rod is matched with the positioning hole and in threaded connection with the positioning hole.
Through adopting above-mentioned technical scheme, make the locating hole of seal receptacle be close to the locating lever on the drilling rod to the seal receptacle is rotated to make the locating hole be connected with the locating lever, and then realize being connected of seal receptacle and drilling rod.
Optionally, one end of the drill rod, which is close to the seal seat, is provided with a limiting hole, the seal seat is provided with a limiting rod, and the limiting rod is matched with the limiting hole and is in threaded connection with the limiting hole.
Through adopting above-mentioned technical scheme, make the gag lever post on the seal receptacle be close to the spacing hole on the drilling rod to the seal receptacle rotates to can realize spacing hole and gag lever post and be connected, and then can realize being connected of drilling rod and seal receptacle.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the connecting piece, flushing fluid can be prevented from entering the drilling tool when the drilling tool is lifted, so that the core of the cohesive soil can be extracted;
2. the detachable sealing seat and the drilling tool are arranged, so that personnel can replace and install the sealing seat and the drilling tool conveniently;
3. through setting up detachable seal receptacle and drilling rod, the personnel of being convenient for install and change.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present application.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present application.
Description of reference numerals: 1. a drill stem; 2. drilling tools; 3. a connecting member; 31. a sealing seat; 32. a sealing ball; 4. connecting grooves; 5. a sampling groove; 6. a sealing groove; 61. mounting grooves; 62. a sliding groove; 7. a connecting rod; 8. connecting holes; 9. positioning holes; 10. positioning a rod; 11. fixing the rod; 12. a fixing hole; 13. a limiting hole; 14. a limiting rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
Example 1
The embodiment of the application discloses soft mould form cohesive soil's rock core sampling device. Referring to fig. 1, a soft mould form rock core sampling device of cohesive soil, includes drilling rod 1, drilling tool 2 and connecting piece 3, and it has spread groove 4 to open along its length direction on drilling rod 1, and it has sample groove 5 to open along its length direction on drilling tool 2, and the one end and the drilling rod 1 of connecting piece 3 can be dismantled and be connected, and the other end can be dismantled with drilling tool 2 and be connected.
The connecting piece 3 comprises a sealing seat 31 and a sealing ball 32, wherein the sealing seat 31 is provided with a sealing groove 6 along the length direction thereof, the sealing groove 6 comprises an installation groove 61 and a sliding groove 62 which are communicated, the installation groove 61 is communicated with a connecting groove 4, the sliding groove 62 is communicated with a sampling groove 5, the diameter of the installation groove 61 is larger than that of the sliding groove 62, the diameter of the connecting groove 4 is larger than or equal to that of the installation groove 61, and the diameter of the sealing ball 32 is equal to that of the installation groove 61; the sealing ball 32 is located in the mounting groove 61 and is slidably connected with the mounting groove 61. During the lowering of the drilling tool 2, the flushing fluid lifts the sealing ball 32 and enters the connecting groove 4 of the drill rod 1 together with the sealing ball 32; when the drilling tool 2 descends, the sealing ball 32 falls and blocks the flushing fluid in the drill rod 1 from entering the drilling tool 2, so that negative pressure is generated in the drilling tool 2, and the extraction of the core of the cohesive soil is facilitated.
Referring to fig. 1, one end of the seal holder 31 is detachably connected to the drilling tool 2, so that a person can replace and install the seal holder 31 and the drilling tool 2. One end of the seal receptacle 31 close to the drilling tool 2 is provided with the connecting rod 7 of integrated into one piece, the drilling tool 2 is provided with the connecting hole 8, the connecting rod 7 is connected with the connecting hole 8 in a clamping manner, and the connecting rod 7 is connected with the connecting hole 8 in a threaded manner, so that the seal receptacle 31 can be connected with the drilling tool 2.
One end of the sealing seat 31, which is far away from the drilling tool 2, is detachably connected with the drill rod 1, so that the sealing seat can be conveniently installed and replaced by personnel. One end that seal receptacle 31 is close to drilling rod 1 is equipped with locating hole 9, the one end that drilling rod 1 is close to seal receptacle 31 is equipped with integrated into one piece's locating lever 10, and locating lever 10 and locating hole 9 joint, and threaded connection to make locating hole 9 be connected with locating lever 10, and then realize being connected of seal receptacle 31 and drilling rod 1.
The implementation principle of the embodiment 1 of the application is as follows: before use, the seal seat 31 is connected with the drilling tool 2 by the following method: the connecting rod 7 is made to approach the connecting hole 8, and the connecting rod 7 is rotated, so that the connecting rod 7 can be connected with the connecting hole 8, and the connection between the seal holder 31 and the drilling tool 2 can be realized.
And then the sealing seat 31 is connected with the drill rod 1 by the following method: the positioning hole 9 of the sealing seat 31 is close to the positioning rod 10 on the drill rod 1, and the sealing seat 31 is rotated, so that the positioning hole 9 is connected with the positioning rod 10, and the connection between the sealing seat 31 and the drill rod 1 is realized.
In use, during the descending process of the drilling tool 2, the flushing liquid jacks up the sealing ball 32 and enters the connecting groove 4 of the drill rod 1; when the drilling tool 2 descends, the sealing ball 32 falls and blocks the flushing fluid in the drill rod 1 from entering the drilling tool 2, so that negative pressure is generated in the drilling tool 2, and the extraction of the core of the cohesive soil is facilitated. The embodiment of the application provides a soft mould form rock core sampling device of cohesive soil has the effect of being convenient for carry out the extraction of the rock core of cohesive soil.
Example 2
Referring to fig. 2, embodiment 2 is different from embodiment 1 in that: the end of the drilling tool 2 close to the sealing seat 31 is provided with an integrally formed fixing rod 11, the sealing seat 31 is provided with a fixing hole 12, the fixing rod 11 is connected with the fixing hole 12 in a clamping mode, and the fixing rod is in threaded connection with the sealing seat 31, so that the drilling tool 2 is connected with the sealing seat 31.
One end of the drill rod 1 close to the sealing seat 31 is provided with a limiting hole 13, the sealing seat 31 is provided with an integrally formed limiting rod 14, and the limiting rod 14 is connected with the limiting hole 13 in a clamping mode and in threaded connection.
The implementation principle of embodiment 2 of the present application is as follows: the fixing rod 11 on the drilling tool 2 is close to the fixing hole 12 on the sealing seat 31, and the connection between the drilling tool 2 and the sealing seat 31 can be realized by rotating the fixing rod 11.
The limiting rod 14 on the sealing seat 31 is close to the limiting hole 13 on the drill rod 1, and the sealing seat 31 is rotated to realize the connection of the drill rod 1 and the sealing seat 31.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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. The core sampling device for the soft plastic-shaped cohesive soil is characterized by comprising a drill rod (1), a drilling tool (2) and a connecting piece (3), wherein a connecting groove (4) is formed in the drill rod (1) along the length direction of the drill rod, a sampling groove (5) is formed in the drilling tool (2) along the length direction of the drilling tool, one end of the connecting piece (3) is connected with the drill rod (1), the other end of the connecting piece is connected with the drilling tool (2), the connecting piece (3) comprises a sealing seat (31) and a sealing ball (32), the sealing seat (31) is provided with a sealing groove (6) along the length direction of the sealing seat, and the sealing groove (6), the connecting groove (4) and the sampling groove (5) are communicated; the sealing ball (32) is located in the sealing groove (6) and is in sliding connection with the sealing groove (6).
2. The soft plastic-like cohesive soil core sampling device according to claim 1, wherein the sealing groove (6) comprises a mounting groove (61) and a sliding groove (62), the mounting groove (61) is communicated with the connecting groove (4), the sliding groove (62) is communicated with the sampling groove (5), the diameter of the mounting groove (61) is larger than that of the sliding groove (62), the diameter of the connecting groove (4) is larger than or equal to that of the mounting groove (61), and the diameter of the sealing ball (32) is equal to that of the mounting groove (61).
3. Core sampling device for soft plastic-like cohesive soil according to claim 1, characterized in that the sealing seat (31) is detachably connected to the drilling tool (2).
4. The core sampling device of soft plastic clay according to claim 3, wherein a connecting rod (7) is arranged at one end of the sealing seat (31) close to the drilling tool (2), a connecting hole (8) is arranged on the drilling tool (2), and the connecting rod (7) is matched with the connecting hole (8) and is in threaded connection with the connecting hole.
5. The core sampling device for soft plastic clay according to claim 3, wherein a fixing rod (11) is arranged at one end of the drilling tool (2) close to the sealing seat (31), a fixing hole (12) is arranged on the sealing seat (31), and the fixing rod (11) is matched with the fixing hole (12) and is in threaded connection with the fixing hole.
6. Core sampling device for soft plastic-like cohesive soil according to claim 1, characterized in that the sealing seat (31) is detachably connected to the drill rod (1).
7. The core sampling device for soft plastic clay according to claim 6, wherein a positioning hole (9) is formed in one end, close to the drill rod (1), of the sealing seat (31), a positioning rod (10) is arranged at one end, close to the sealing seat (31), of the drill rod (1), and the positioning rod (10) is matched with the positioning hole (9) and in threaded connection with the positioning hole.
8. The core sampling device for soft plastic clay according to claim 6, wherein a limiting hole (13) is formed in one end, close to the sealing seat (31), of the drill rod (1), a limiting rod (14) is arranged on the sealing seat (31), and the limiting rod (14) is matched with the limiting hole (13) and is in threaded connection with the limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120210313.5U CN215369822U (en) | 2021-01-25 | 2021-01-25 | Soft rock core sampling device who describes cohesive soil that moulds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120210313.5U CN215369822U (en) | 2021-01-25 | 2021-01-25 | Soft rock core sampling device who describes cohesive soil that moulds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215369822U true CN215369822U (en) | 2021-12-31 |
Family
ID=79621629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120210313.5U Expired - Fee Related CN215369822U (en) | 2021-01-25 | 2021-01-25 | Soft rock core sampling device who describes cohesive soil that moulds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215369822U (en) |
-
2021
- 2021-01-25 CN CN202120210313.5U patent/CN215369822U/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: 20211231 |