CN218062215U - Underground geotechnical engineering test drilling orifice protection device suitable for different apertures - Google Patents
Underground geotechnical engineering test drilling orifice protection device suitable for different apertures Download PDFInfo
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- CN218062215U CN218062215U CN202220953552.4U CN202220953552U CN218062215U CN 218062215 U CN218062215 U CN 218062215U CN 202220953552 U CN202220953552 U CN 202220953552U CN 218062215 U CN218062215 U CN 218062215U
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- threaded rod
- protection device
- geotechnical engineering
- supporting
- engineering test
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- 238000005553 drilling Methods 0.000 title claims abstract description 21
- 230000008093 supporting effect Effects 0.000 claims abstract description 52
- 239000011148 porous material Substances 0.000 claims 8
- 238000010586 diagram Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
A drilling orifice protection device suitable for underground geotechnical engineering tests with different apertures comprises a positioning block, wherein a plurality of telescopic sleeves are arranged on the periphery of the positioning block, free ends of the telescopic sleeves are connected with the inner wall of a supporting plate, a limiting connecting shaft is sleeved in the middle of the positioning block through a connecting hole, threaded sleeves are sleeved at two ends of the limiting connecting shaft and a reverse threaded rod respectively through a positive threaded rod and the reverse threaded rod, the periphery of each threaded sleeve is connected with a plurality of supporting rods through a rotating shaft, the free ends of the supporting rods are rotatably connected with the inner wall of the supporting plate through the rotating shaft, a supporting frame is connected with the periphery of the free end of the positive threaded rod, and a crank connected with the positive threaded rod is arranged in the middle of the supporting frame; the device is hung on the inner wall of a test hole by the aid of the support frame, the fixing nail is inserted into the ground, the crank is rotated, the support plate moves inside and outside to support or retract the device for the test hole, the positive threaded rod and the reverse threaded rod can bear larger pressure when the positive threaded rod and the reverse threaded rod do not rotate, the support plate is prevented from moving, and the supporting force for the test hole is guaranteed; has the advantages of simple structure, flexible operation, reliable support, practicality and high efficiency.
Description
Technical Field
The utility model relates to a drilling equipment technical field specifically is an underground geotechnical engineering test drilling drill way protection device who adapts to different apertures.
Background
With the increasing progress of large-scale infrastructure construction and deep resource energy exploitation in China, a series of underground engineering, such as traffic tunnels, hydropower underground powerhouses, paint repositories, mine roadways and the like, appears, and reliably acquiring mechanical response of rock masses in the engineering excavation and operation processes is an important link for ensuring engineering safety and promoting engineering to smoothly carry out.
Present drill way protection device, what be equipped with both ends open-ended hollow annular column gasbag, the top through connection of gasbag has the gas tube, the gas tube is at the gasbag internal connection check valve, the top of gasbag still is connected with the blast pipe, be equipped with discharge valve on the blast pipe, the lateral wall of gasbag is equipped with protection device, protection device is including being a plurality of protection shields of the even equidistance of matrix arrangement on the gasbag lateral wall, the lateral wall of gasbag has the mounting groove that is a plurality of concavities that the even equidistance of matrix was arranged, certain support guard action has been played to drilling, but during the actual use, the gasbag can not bear great pressure, the fragile, and the supporting effect is not enough.
Disclosure of Invention
The utility model provides a not enough to above-mentioned prior art, the utility model provides an underground geotechnical engineering test drilling drill way protection device who adapts to different apertures can form good supporting effect to the pilot hole in different apertures through the rigidity bearing structure of scalable regulation, and the operation is very convenient, has simple structure, flexible operation, supports reliably and practical efficient advantage.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a drilling orifice protection device suitable for underground geotechnical engineering tests with different apertures comprises a positioning block 1, wherein a plurality of telescopic sleeves 2 are uniformly arranged on the periphery of the positioning block 1, free ends of the telescopic sleeves 2 are connected with the inner wall of a supporting plate 9, a connecting hole 5 is formed in the middle of the positioning block 1, and a limiting connecting shaft 6 is sleeved in the connecting hole 5;
two ends of the limiting connecting shaft 6 are respectively connected with a positive threaded rod 7 and a negative threaded rod 8, the positive threaded rod 7 is sleeved with a first threaded sleeve 10, the negative threaded rod 8 is sleeved with a second threaded sleeve 17, the periphery of the first threaded sleeve 10 is connected with a plurality of first supporting rods 11 through uniformly arranged rotating shafts, the periphery of the second threaded sleeve 17 is connected with a plurality of second supporting rods 18 through uniformly arranged rotating shafts, and free ends of the first supporting rods 11 and the second supporting rods 18 are rotatably connected with the inner wall of the supporting plate 9 through the rotating shafts;
the periphery of the free end of the positive threaded rod 7 is connected with a support frame 12, a through hole 13 is formed in the middle of the support frame 12, and the crank 14 penetrates through the through hole 13 to be connected with the positive threaded rod 7.
The free end of the support frame 12 is provided with a fixing hole 15, and a fixing nail 16 is movably connected in the fixing hole 15.
The free end of the telescopic sleeve 2 is provided with a fixed blade 4.
The distance between the fixed blade 4 and the joint of the support rod 11 and the support plate 9 at the upper end and the lower end of the fixed blade is equal.
The supporting plate 9 is in the shape of an arc sheet and is provided with a plurality of blocks, and can be enclosed to form a cylinder.
The quantity of the supporting plates 9, the telescopic sleeves 2, the upper first supporting rods 11 of the positive threaded rods 7 and the second supporting rods 18 of the reverse threaded rods 8 is equal and not less than 2.
The sum of the lengths of the positive threaded rod 7, the negative threaded rod 8 and the limiting connecting shaft 6 is greater than the length of the supporting plate 9.
The distances between the positioning block 1 and the first threaded sleeve 10 and between the positioning block 1 and the second threaded sleeve 17 are equal.
And the free end of the reverse threaded rod 8 is provided with a limiting block 3.
The utility model discloses possess following beneficial effect:
1. this device sets up through the cooperation of positive threaded rod 7 and reverse threaded rod 8, can drive first thread bush 10 and second thread bush 17 when rotating and slide from top to bottom to drive backup pad 9 outwards or inwards remove, can support and consolidate the lateral wall of the trial drilling in different apertures, and positive threaded rod 7 and reverse threaded rod 8 can bear great pressure when not rotating, avoid backup pad 9 to appear removing, thereby guarantee the supporting capability of the device.
2. Can be when backup pad 9 outwards or inwards removes through telescopic sleeve 2, improve the stability when backup pad 9 slides to avoid the vibration to cause the trial hole to collapse, through the setting of backup pad 9, can support the inner wall of trial hole, and when backup pad 9 supported the inner wall of trial hole, still can guarantee the stability of the device.
To sum up, the utility model has the advantages of simple structure, flexible operation, reliable support and practical efficient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the explosion structure of the supporting plate 9 of the present invention.
Fig. 3 is a schematic view of the mounting structure of the supporting plate 9 of the present invention.
Fig. 4 is a schematic diagram of the explosion structure of the support rod of the present invention.
Fig. 5 is a schematic structural view of the telescopic sleeve 2 of the present invention.
In the figure: 1. positioning a block; 2. a telescopic sleeve; 3. a limiting block; 4. a fixed blade; 5. connecting holes; 6. a limiting connecting shaft; 7. a positive threaded rod; 8. a reverse threaded rod; 9. a support plate; 10. a first threaded sleeve; 11. a first support bar; 12. a support frame; 13. a through hole; 14. a crank; 15. a fixing hole; 16. fixing nails; 17. a second threaded sleeve; 18. a second support bar.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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.
Referring to fig. 1 to 5, the drilling hole protection device for underground geotechnical engineering test adapting to different apertures comprises a positioning block 1, wherein a plurality of telescopic sleeves 2 are uniformly arranged on the periphery of the positioning block 1, the free ends of the telescopic sleeves 2 are connected with the inner wall of a supporting plate 9, a connecting hole 5 is arranged in the middle of the positioning block 1, and a limiting connecting shaft 6 is sleeved in the connecting hole 5;
two ends of the limiting connecting shaft 6 are respectively connected with a positive threaded rod 7 and a negative threaded rod 8, the positive threaded rod 7 is sleeved with a first threaded sleeve 10, the negative threaded rod 8 is sleeved with a second threaded sleeve 17, the periphery of the first threaded sleeve 10 is connected with a plurality of first supporting rods 11 through uniformly arranged rotating shafts, the periphery of the second threaded sleeve 17 is connected with a plurality of second supporting rods 18 through uniformly arranged rotating shafts, and free ends of the first supporting rods 11 and the second supporting rods 18 are rotatably connected with the inner wall of the supporting plate 9 through the rotating shafts;
the periphery of the free end of the positive threaded rod 7 is connected with a support frame 12, a through hole 13 is formed in the middle of the support frame 12, and a crank 14 penetrates through the through hole 13 to be connected with the positive threaded rod 7.
The free end of the support frame 12 is provided with a fixing hole 15, and a fixing nail 16 is movably connected in the fixing hole 15.
The free end of the telescopic sleeve 2 is provided with the fixed blade 4, so that the contact area between the free end and the supporting plate 9 is increased, and the support is more stable.
The distance between the fixed blade 4 and the joint of the support rod 11 and the support plate 9 at the upper end and the lower end of the fixed blade is equal.
The supporting plate 9 is in the shape of an arc sheet, is provided with a plurality of blocks, and is enclosed to form a cylinder.
The quantity of the supporting rods 11 on the supporting plate 9, the telescopic sleeve 2 and the positive threaded rod 7 and the quantity of the supporting rods 11 on the negative threaded rod 8 are equal and are not less than 2.
The length of the positive threaded rod 7, the length of the reverse threaded rod 8, the length of the limiting connecting shaft 6 and the length of the heavy rain supporting plate 9.
The distances between the positioning block 1 and the first threaded sleeve 10 and between the positioning block 1 and the second threaded sleeve 17 are equal.
And the free end of the reverse threaded rod 8 is provided with a limiting block 3.
The utility model discloses a theory of operation as follows:
firstly, the device is hung on the inner wall of a trial hole by a support frame 12, and a fixing nail 16 is inserted into the ground through a fixing hole 15; the crank 14 is rotated to drive the positive threaded rod 7 and the reverse threaded rod 8 to rotate, the first threaded sleeve 10 is driven to move on the positive threaded rod 7 and the second threaded sleeve 17 and the reverse threaded rod 8 move on the positive threaded rod 7, and then the supporting rod 11 is opened, so that the supporting plate 9 moves outwards to support the inner wall of the test drilling hole; when the device needs to be retracted, the crank 14 is rotated reversely, the supporting plate 9 is retracted, the fixing nail 15 is pulled out, and the device is taken out of the trial drilling hole.
Claims (9)
1. The utility model provides an underground geotechnical engineering test drilling drill way protection device who adapts to different apertures, includes locating piece (1), its characterized in that: a plurality of telescopic sleeves (2) are uniformly arranged on the periphery of the positioning block (1), the free ends of the telescopic sleeves (2) are connected with the inner wall of the supporting plate (9), a connecting hole (5) is formed in the middle of the positioning block (1), and a limiting connecting shaft (6) is sleeved in the connecting hole (5);
two ends of the limiting connecting shaft (6) are respectively connected with a positive threaded rod (7) and a reverse threaded rod (8), the positive threaded rod (7) is sleeved with a first threaded sleeve (10), the reverse threaded rod (8) is sleeved with a second threaded sleeve (17), the periphery of the first threaded sleeve (10) is connected with a plurality of first supporting rods (11) through uniformly arranged rotating shafts, the periphery of the second threaded sleeve (17) is connected with a plurality of second supporting rods (18) through uniformly arranged rotating shafts, and free ends of the first supporting rods (11) and the second supporting rods (18) are rotatably connected with the inner wall of the supporting plate (9) through rotating shafts;
the periphery of the free end of the positive threaded rod (7) is connected with a support frame (12), a through hole (13) is formed in the middle of the support frame (12), and the crank (14) penetrates through the through hole (13) to be connected with the positive threaded rod (7).
2. The underground geotechnical engineering test drilling orifice protection device adapting to different pore diameters according to claim 1, characterized in that: the free end of the support frame (12) is provided with a fixing hole (15), and a fixing nail (16) is movably connected in the fixing hole (15).
3. The underground geotechnical engineering test drilling orifice protection device adapting to different pore diameters according to claim 1, characterized in that: the free end of the telescopic sleeve (2) is provided with a fixed blade (4).
4. The underground geotechnical engineering test drilling orifice protection device adapting to different pore diameters according to claim 3, characterized in that: the distance between the fixed blade (4) and the joint of the supporting rod (11) and the supporting plate (9) at the upper end and the lower end of the fixed blade is equal.
5. The underground geotechnical engineering test drilling orifice protection device adapting to different pore diameters according to claim 1, characterized in that: the supporting plate (9) is in the shape of an arc sheet and is provided with a plurality of blocks, and the supporting plate can be enclosed to form a cylinder.
6. The underground geotechnical engineering test drilling orifice protection device adapting to different pore diameters according to claim 1, characterized in that: the quantity of the second supporting rods (18) on the upper first supporting rods (11) and the reverse threaded rods (8) of the supporting plates (9), the telescopic sleeves (2) and the positive threaded rods (7) is equal and not less than 2.
7. The underground geotechnical engineering test drilling orifice protection device adapting to different pore diameters according to claim 1, characterized in that: the sum of the lengths of the positive threaded rod (7), the reverse threaded rod (8) and the limiting connecting shaft (6) is greater than the length of the supporting plate (9).
8. The underground geotechnical engineering test drilling orifice protection device adapting to different pore diameters according to claim 1, characterized in that: the distances between the positioning block (1) and the first threaded sleeve (10) and between the positioning block (1) and the second threaded sleeve (17) are equal.
9. The underground geotechnical engineering test drilling orifice protection device adapting to different pore diameters according to claim 1, characterized in that: the free end of the reverse threaded rod (8) is provided with a limiting block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220953552.4U CN218062215U (en) | 2022-04-24 | 2022-04-24 | Underground geotechnical engineering test drilling orifice protection device suitable for different apertures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220953552.4U CN218062215U (en) | 2022-04-24 | 2022-04-24 | Underground geotechnical engineering test drilling orifice protection device suitable for different apertures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218062215U true CN218062215U (en) | 2022-12-16 |
Family
ID=84427304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220953552.4U Expired - Fee Related CN218062215U (en) | 2022-04-24 | 2022-04-24 | Underground geotechnical engineering test drilling orifice protection device suitable for different apertures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218062215U (en) |
-
2022
- 2022-04-24 CN CN202220953552.4U patent/CN218062215U/en not_active Expired - Fee Related
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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: 20221216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |