CN210660007U - Tunnel rope coring device - Google Patents
Tunnel rope coring device Download PDFInfo
- Publication number
- CN210660007U CN210660007U CN201921660953.5U CN201921660953U CN210660007U CN 210660007 U CN210660007 U CN 210660007U CN 201921660953 U CN201921660953 U CN 201921660953U CN 210660007 U CN210660007 U CN 210660007U
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- CN
- China
- Prior art keywords
- core taking
- lifting rod
- pipe
- guide sleeve
- coring device
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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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- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 claims 5
- 238000005070 sampling Methods 0.000 abstract description 9
- 230000003139 buffering effect Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005484 gravity Effects 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
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model relates to the field of underground pipeline sampling equipment, in particular to an underground pipeline rope coring device, which comprises an outer pipe and a drill bit; the outer pipe is connected with the drill bit in a threaded interference fit mode; a first lifting rod, a second lifting rod and a core taking pipe are arranged in the outer pipe, and clamping assemblies are arranged on two sides of the core taking pipe; a cavity is arranged in the drill bit and communicated with the core taking pipe; a guide sleeve is arranged in the outer tube, and two sides of the guide sleeve touch the inner wall of the outer tube through buffer components; the underground cable coring device has the following advantages: when the underground drill hole is used for sampling, the first lifting rod is propped against by external force, the first lifting rod sequentially transmits force to the connecting rod and the second lifting rod, and finally the force is transmitted to the core taking pipe to support the core taking pipe; when the core taking pipe is supported, the vibration generated in the vertical direction is reduced through the matching of the first compression spring and the guide sleeve.
Description
Technical Field
The utility model relates to a gallery sampling equipment field specifically is a gallery rope coring device.
Background
When the tunnel is constructed and reinforced, the tunnel is usually required to be drilled and sampled, so that an effective and safe construction technical scheme can be formulated according to the rock stratum characteristics of the tunnel. When drilling and sampling the tunnel, a common device is a rope coring device.
Rope coring device among the prior art is owing to take place great vibration when creeping into the sample in-process to collect and scatter easily when the inside gallery sample of coring pipe receives vibrations, especially when rope coring device is vertical moves from top to bottom, the inside sample of coring pipeline receives collision and self gravity dual function, takes place the phenomenon of dropping more easily.
To the problem in the above-mentioned background art, the utility model aims at providing a pit rope coring device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pit rope coring device to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a pothole cord coring device, comprising: the outer pipe is connected with the drill bit in a threaded interference fit mode; the upper end of the outer side of the outer tube is provided with a vent hole, a first lifting rod, a second lifting rod and a core taking tube are arranged in the outer tube, one end of the first lifting rod is connected with the second lifting rod through a connecting rod, one end of the second lifting rod is connected with the core taking tube, and clamping assemblies are arranged on two sides of the core taking tube; a cavity is arranged in the drill bit and communicated with the core taking pipe;
a guide sleeve is arranged in the outer tube, the part of the connecting rod connected with the second lifting rod is arranged in the guide sleeve, and two sides of the guide sleeve are contacted with the inner wall of the outer tube through buffer components; and a first compression spring is arranged on the connecting rod at the contact part of the connecting rod and the guide sleeve.
As a further aspect of the present invention: the drill bit surface is provided with a chip groove, the top end of the drill bit is provided with drill teeth, and the drill teeth and the chip groove are matched to act so as to accelerate the drilling effect of the drill bit.
As a further aspect of the present invention: the piston is arranged in the outer tube, through holes are formed in two sides of the piston, and air tightness of air pressure for pushing the clamping assembly to operate can be guaranteed through the piston.
As a further aspect of the present invention: the buffering component comprises a top head and a second compression spring, the pointed end of the top head is hemispherical, the inner side of the top head is connected with the inner wall of the guide sleeve through the second compression spring, and the top head with the hemispherical pointed end is beneficial to reducing the friction force generated when the buffering component touches the inner wall of the outer tube.
As a further aspect of the present invention: the clamping assembly comprises a pressing block, a pull rod and a push block, the pressing block is arranged in the inner cavity of the coring pipe, one end of the pull rod penetrates through the inner wall of the coring pipe and then is connected with the pressing block, and the other end of the pull rod is connected with the push block.
As a further aspect of the present invention: and a rubber pad is arranged at the contact part of the pull rod and the outer side of the core taking pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
the underground cable coring device has the following advantages:
when the underground drill hole is used for sampling, the first lifting rod is propped against by external force, the first lifting rod sequentially transmits force to the connecting rod and the second lifting rod, and finally the force is transmitted to the core taking pipe to support the core taking pipe; when the core taking pipe is supported, the vibration generated in the vertical direction is reduced through the matching of the first compression spring and the guide sleeve;
secondly, when the underground tunnel is drilled and sampled, the air pressure is introduced into the outer pipe to extrude the clamping assembly so as to clamp and fix the underground tunnel sample placed in the core taking pipe, so that the sampled sample is not easy to loosen; after the sample is finished, the pressure is released, and the clamping assembly recovers the initial state, so that the sample in the core taking pipe can be poured out.
Drawings
In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural view of a wire coring device for a tunnel according to an embodiment of the present invention.
Fig. 2 is the utility model discloses a uide bushing installation sketch map of tunnel rope coring device.
Fig. 3 is a schematic structural view of a clamping assembly of a wire coring device for a tunnel according to an embodiment of the present invention.
In the figure: 1-vent, 2-outer tube, 3-first lifting rod, 4-first compression spring, 5-connecting rod, 6-guide sleeve, 7-buffer component, 8-second lifting rod, 9-piston, 10-through hole, 11-clamping component, 12-coring pipe, 13-drill bit, 14-cavity, 15-chip groove, 16-drilling tooth, 17-top, 18-second compression spring, 19-pressing block, 20-rubber pad, 21-pull rod and 22-pushing block.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1, in embodiment 1 of the present invention, a wire line coring device for a tunnel includes: the outer pipe 2 and the drill bit 13 are connected in a threaded interference fit mode; the upper end of the outer side of the outer tube 2 is provided with a vent 1, a first lifting rod 3, a second lifting rod 8 and a coring tube 12 are arranged in the outer tube 2, one end of the first lifting rod 3 is connected with the second lifting rod 8 through a connecting rod 5, one end of the second lifting rod 8 is connected with the coring tube 12, and two sides of the coring tube 12 are provided with clamping assemblies 11; a cavity 14 is arranged inside the drill bit 13, and the cavity 14 is communicated with the coring pipe 12;
a guide sleeve 6 is arranged in the outer tube 2, the connecting part of the connecting rod 5 and the second lifting rod 8 is arranged in the guide sleeve 6, and two sides of the guide sleeve 6 are contacted with the inner wall of the outer tube 2 through buffer components 7; a first compression spring 4 is arranged on the contact part of the connecting rod 5 and the guide sleeve 6;
when the tunnel sample is cored, the outer pipe 2 drives the drill bit 13 to rotate at a high speed through the driving mechanism to drill, the tunnel sample enters the core taking pipe 12 through the cavity 14 while the drill bit 13 drills, because the tunnel sample can cause impact force to the core taking pipe 12 when entering the core taking pipe 12, the first lifting rod 3 is propped against the first lifting rod 3 through external force, the first lifting rod 3 sequentially applies force to the connecting rod 5, the second lifting rod 8 is finally transmitted to the core taking pipe 12, and the core taking pipe 12 is supported; when the core taking pipe 12 is supported, the vibration generated in the vertical direction is reduced through the cooperation of the first compression spring 4 and the guide sleeve 6; in addition, during sampling, the air pressure is introduced into the outer tube 2 to squeeze the clamping assembly 11, so that the gallery sample placed in the core taking tube 12 is clamped and fixed, and the sampled sample is not easy to loosen; after the sampling is finished, the pressure is released, and the clamping assembly 11 recovers the initial state, so that the sample in the core taking pipe 12 can be poured out.
Furthermore, the surface of the drill bit 13 is provided with a chip groove 15, the top end of the drill bit 13 is provided with a drill tooth 16, and the drill tooth 16 and the chip groove 15 cooperate to accelerate the drilling effect of the drill bit 13.
Further, the piston 9 is arranged inside the outer tube 2, through holes 10 are formed in two sides of the piston 9, and the air tightness of air pressure for pushing the clamping assembly 11 to operate can be guaranteed through the piston 9.
Referring to fig. 2, further, the buffering member 7 includes a plug 17 and a second compression spring 18, a tip of the plug 17 is hemispherical, an inner side of the plug 17 is connected to an inner wall of the guide sleeve 6 through the second compression spring 18, and the plug 17 with the hemispherical tip is beneficial to reducing a friction force generated when the buffering member 7 touches the inner wall of the outer tube 2.
Example 2
Referring to fig. 3, further, the clamping assembly 11 includes a pressing block 19, a pull rod 21 and a pushing block 22, the pressing block 19 is disposed in the inner cavity of the core barrel 12, one end of the pull rod 21 passes through the inner wall of the core barrel 12 and then is connected to the pressing block 19, and the other end of the pull rod 21 is connected to the pushing block 22;
specifically, a rubber pad 20 is arranged on the position of the pull rod 21, which is in contact with the outer side of the coring pipe 12;
when the air pressure pushes the push block 22 to drive the press block 19 to extrude the coring sample in the coring pipe 12, the rubber pad 20 ensures the air tightness effect of the air pressure pushing.
The embodiment of the utility model provides a theory of operation is:
when the tunnel sample is cored, the outer pipe 2 drives the drill bit 13 to rotate at a high speed through the driving mechanism to drill, the tunnel sample enters the core taking pipe 12 through the cavity 14 while the drill bit 13 drills, because the tunnel sample can cause impact force to the core taking pipe 12 when entering the core taking pipe 12, the first lifting rod 3 is propped against the first lifting rod 3 through external force, the first lifting rod 3 sequentially applies force to the connecting rod 5, the second lifting rod 8 is finally transmitted to the core taking pipe 12, and the core taking pipe 12 is supported; when the core taking pipe 12 is supported, the vibration generated in the vertical direction is reduced through the cooperation of the first compression spring 4 and the guide sleeve 6;
in addition, during sampling, the air pressure is introduced into the outer tube 2 to squeeze the clamping assembly 11, so that the gallery sample placed in the core taking tube 12 is clamped and fixed, and the sampled sample is not easy to loosen; after the sampling is finished, the pressure is released, and the clamping assembly 11 recovers the initial state, so that the sample in the core taking pipe 12 can be poured out.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A pothole cord coring device, comprising: the outer pipe (2) and the drill bit (13) are connected in a threaded interference fit mode; the method is characterized in that:
the upper end of the outer side of the outer tube (2) is provided with a vent hole (1), a first lifting rod (3), a second lifting rod (8) and a core taking tube (12) are arranged in the outer tube (2), one end of the first lifting rod (3) is connected with the second lifting rod (8) through a connecting rod (5), one end of the second lifting rod (8) is connected with the core taking tube (12), and two sides of the core taking tube (12) are provided with clamping assemblies (11); a cavity (14) is arranged in the drill bit (13), and the cavity (14) is communicated with the core taking pipe (12);
a guide sleeve (6) is arranged in the outer tube (2), the connecting part of the connecting rod (5) and the second lifting rod (8) is arranged in the guide sleeve (6), and two sides of the guide sleeve (6) are contacted with the inner wall of the outer tube (2) through a buffer component (7); and a first compression spring (4) is arranged on the connecting rod (5) at the part contacted with the guide sleeve (6).
2. The excavation rope coring device of claim 1, wherein: the drill bit (13) is provided with a chip groove (15) on the surface, and the top end of the drill bit (13) is provided with drill teeth (16).
3. The excavation rope coring device of claim 1, wherein: a piston (9) is arranged in the outer tube (2), and through holes (10) are formed in two sides of the piston (9).
4. The excavation rope coring device of claim 1, wherein: the buffer member (7) comprises a top head (17) and a second compression spring (18), the tip of the top head (17) is hemispherical, and the inner side of the top head (17) is connected with the inner wall of the guide sleeve (6) through the second compression spring (18).
5. The excavation rope coring device of claim 1, wherein: the clamping assembly (11) comprises a pressing block (19), a pull rod (21) and a push block (22), the pressing block (19) is arranged in the inner cavity of the core taking pipe (12), one end of the pull rod (21) penetrates through the inner wall of the core taking pipe (12) and then is connected with the pressing block (19), and the other end of the pull rod (21) is connected with the push block (22).
6. The excavation rope coring device of claim 5, wherein: the pull rod (21) is provided with a rubber pad (20) at the part contacting with the outer side of the core taking pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921660953.5U CN210660007U (en) | 2019-10-06 | 2019-10-06 | Tunnel rope coring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921660953.5U CN210660007U (en) | 2019-10-06 | 2019-10-06 | Tunnel rope coring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210660007U true CN210660007U (en) | 2020-06-02 |
Family
ID=70822383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921660953.5U Expired - Fee Related CN210660007U (en) | 2019-10-06 | 2019-10-06 | Tunnel rope coring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210660007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982515A (en) * | 2021-10-28 | 2022-01-28 | 中国地质大学（北京） | Pressure-maintaining coring device |
-
2019
- 2019-10-06 CN CN201921660953.5U patent/CN210660007U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982515A (en) * | 2021-10-28 | 2022-01-28 | 中国地质大学（北京） | Pressure-maintaining coring device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 |
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| CF01 | Termination of patent right due to non-payment of annual fee |