CN211974924U - Undisturbed marine geology shallow drilling device - Google Patents
Undisturbed marine geology shallow drilling device Download PDFInfo
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- CN211974924U CN211974924U CN202020414594.1U CN202020414594U CN211974924U CN 211974924 U CN211974924 U CN 211974924U CN 202020414594 U CN202020414594 U CN 202020414594U CN 211974924 U CN211974924 U CN 211974924U
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Abstract
The utility model discloses a disturbance-free marine geology shallow drilling device, which comprises a quincunx pipe; the sampling tube is detachably connected with one end of the plum blossom tube; one end of the sampling tube, which is far away from the plum blossom tube, is connected with a detachable knife edge structure, and a petal elastic sheet structure is formed on the inner side of the knife edge structure; one end of the rod-shaped heavy hammer is positioned in the plum blossom pipe and can freely move along the inner side of the plum blossom pipe, and the other end of the rod-shaped heavy hammer is connected with a cable; and a baffle is formed on the inner side of one end of the quincunx tube connected with the sampling tube. The application provides a shallow device that bores of undisturbed marine geology, simple structure is reasonable, and simple structure, low in manufacturing cost, the sampling rate is high. The core is cored by adopting the hammering rope, the disturbance is extremely low, the truth of a loose sedimentary rock core sample is ensured, and the core sampling device has certain significance for researching the stratum of the sequence and the age of the stratum. Is worthy of large-area popularization and application.
Description
Technical Field
The utility model relates to an ocean drilling equipment technical field especially relates to a shallow device that bores of undisturbed marine geology.
Background
Marine drilling is a drilling project that is performed in the marine field. Due to the particularity and complexity of the marine environment, marine drilling requires that drilling equipment (including accessories), tubing, tools, and other materials be supported on the marine installation, must also provide personnel with the workplace and living conditions, and must have some stability and the ability to maintain the boat position. The device mainly comprises a fixed drilling platform, a bottom-sitting drilling platform, a self-elevating (spud foot) drilling platform, a semi-shallow drilling platform and a drilling ship. Classified by nature of the job are offshore drilling, offshore oil drilling, and deep sea (ocean) drilling.
At present, rotary drilling is mostly adopted as an important means for marine geological survey, the drilling mode has high disturbance on a rock core and is unfavorable for the research on sequence strata, and as for the drilling technology, no mature disturbance-free drilling technology exists basically at home and abroad.
SUMMERY OF THE UTILITY MODEL
The utility model provides a shallow device that bores of undisturbed marine geology. The device has minimum disturbance to the rock core and has important significance for developing the research of marine geological chronostratigraphy and sequence stratigraphy.
The utility model provides a following scheme:
an undisturbed marine geology shallow drilling apparatus comprising:
a quincunx pipe;
the sampling tube is detachably connected with one end of the plum blossom tube; one end of the sampling tube, which is far away from the plum blossom tube, is connected with a detachable knife edge structure, and a petal elastic sheet structure is formed on the inner side of the knife edge structure;
one end of the rod-shaped heavy hammer is positioned in the plum blossom pipe and can freely move along the inner side of the plum blossom pipe, and the other end of the rod-shaped heavy hammer is connected with a cable; and a blocking piece is formed on the inner side of one end of the plum blossom tube, which is connected with the sampling tube, and the blocking piece is used for acquiring the hammering force generated when the rod-shaped heavy hammer falls.
Preferably: the inner side of one end of the plum blossom tube, which is far away from the sampling tube, is connected with a guiding body, and one end of the rod-shaped heavy hammer penetrates through the guiding body and extends to the inside of the plum blossom tube.
Preferably: the pilot body is connected with the plum blossom pipe through a screw rod assembly.
Preferably: the inside of sampling tube is provided with the bushing pipe.
Preferably: the liner tube is a PVC liner tube.
Preferably: the sampling tube with the plum blossom pipe adopts threaded connection structure to realize dismantling and linking to each other.
Preferably: the sampling tube with the edge of a knife structure adopts threaded connection structure to realize dismantling and linking to each other.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
by the utility model, a disturbance-free marine geology shallow drilling device can be realized, and in an implementation mode, the device can comprise a quincunx pipe; the sampling tube is detachably connected with one end of the plum blossom tube; one end of the sampling tube, which is far away from the plum blossom tube, is connected with a detachable knife edge structure, and a petal elastic sheet structure is formed on the inner side of the knife edge structure; one end of the rod-shaped heavy hammer is positioned in the plum blossom pipe and can freely move along the inner side of the plum blossom pipe, and the other end of the rod-shaped heavy hammer is connected with a cable; and a blocking piece is formed on the inner side of one end of the plum blossom tube, which is connected with the sampling tube, and the blocking piece is used for acquiring the hammering force generated when the rod-shaped heavy hammer falls. The application provides a shallow device that bores of undisturbed marine geology, simple structure is reasonable, and simple structure, low in manufacturing cost, the sampling rate is high. The core is cored by adopting the hammering rope, the disturbance is extremely low, the truth of a loose sedimentary rock core sample is ensured, and the core sampling device has certain significance for researching the stratum of the sequence and the age of the stratum. Is worthy of large-area popularization and application.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a disturbance-free marine geology shallow drilling device provided by an embodiment of the present invention;
FIG. 2 is a schematic structural view of a connection state of a plum blossom tube and a sampling tube provided in an embodiment of the present invention;
fig. 3 is a schematic structural view of the plum blossom tube and the sampling tube in a separated state according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a knife edge structure provided by the embodiment of the present invention;
fig. 5 is a schematic structural view of a petal spring structure provided by the embodiment of the present invention;
fig. 6 is a schematic diagram of a sampling process of the device according to an embodiment of the present invention.
In the figure: 1-plum blossom pipe, 101-plum blossom pipe drainage hole, 2-sampling pipe, 3-knife edge structure, 4-petal spring plate structure, 5-rod-shaped heavy hammer, 6-cable, 7-baffle, 701-sampling pipe drainage hole, 8-guide body, 9-screw rod component, 10-liner pipe, 11-sleeve pipe and 12-pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 all belong to the protection scope of the present invention.
Examples
Referring to fig. 1, 2, 3, 4, and 5, a disturbance-free marine geology shallow drilling device provided by an embodiment of the present invention includes a plum blossom pipe 1, as shown in fig. 1, 2, 3, 4, and 5; the quincunx pipe comprises a plurality of quincunx pipe drainage holes 101. The plum blossom pipe 1 adopts a porous integrated structure, and has good rigidity and uniform stress. The friction coefficient of the inner wall of the product is small, the cable is easy and quick to penetrate, and the construction is simple and easy. The communication hole site has a plurality of hole sites, can reserve the tube hole, improves communication hole site utilization ratio.
The sampling tube 2 is detachably connected with one end of the plum blossom tube 1; one end of the sampling tube 2, which is far away from the plum blossom tube 1, is connected with a detachable knife edge structure 3, and a petal elastic sheet structure 4 is formed on the inner side of the knife edge structure 3; specifically, the sampling tube 2 and the plum blossom tube 1 are detachably connected by adopting a threaded connection structure. The sampling tube 2 and the knife edge structure 3 are detachably connected by adopting a threaded connection structure. The mode of threaded connection is adopted, so that the connection fastening can be ensured, the connection is convenient, and the processing and the manufacturing are easier.
A rod-shaped weight 5, one end of the rod-shaped weight 5 is positioned inside the plum blossom tube 1 and can freely move along the inner side of the plum blossom tube 1, and the other end of the rod-shaped weight 5 is connected with a cable 6; a baffle 7 is formed on the inner side of one end of the plum blossom tube 5 connected with the sampling tube 2, and the baffle 7 is used for acquiring the hammering force generated when the rod-shaped heavy hammer 5 falls. The baffle 7 is formed with a sampling tube drain hole 701.
In order to ensure that the rod-shaped heavy hammer is parallel to the axis of the plum blossom tube when ascending and descending, the inner side of one end of the plum blossom tube 1 far away from the sampling tube 2 is connected with a guiding body 8, and one end of the rod-shaped heavy hammer 5 passes through the guiding body 8 and extends into the plum blossom tube 1. When the connection mode is selected specifically, the pilot body 8 is connected with the plum blossom pipe 1 through the screw assembly 9. The quincuncial tube 1 is provided with a threaded hole for a bolt to penetrate through the tube in advance, so that the guide body and the quincuncial tube can be quickly installed and detached.
In order to facilitate taking out the core, the inner side of the sampling tube 2 is provided with a liner tube 10. In particular, the liner tube 10 is a PVC liner tube.
The device that this application provided has reached minimum no disturbance rope coring, has kept the rock core sample authenticity well, for guaranteeing rock core rate of taking and no disturbance sample, the length of sampling tube is only 1m long, and each sample is just hammered 1-2 times again, takes out the rock core sample, measures length, makes the mark, send the sample storehouse to save or send laboratory test analysis.
When the device is used, the device is arranged on an investigation ship (or a platform) for operation, firstly, as shown in figure 6, a sleeve 11 is put down on the investigation ship (or the platform), the bottom of the sleeve 11 is supported on a settled layer at the seabed, the upper part of the sleeve 11 is higher than the water surface and is level with or slightly higher than a ship deck (or the platform), a winch retracting and releasing cable of the ship deck (or the platform) is connected with a sampling part of the device through a pulley, the device enters water from the sleeve by controlling the winch, the winch cable is quickly released after the device reaches the seabed, a rod-shaped heavy hammer carries out downward drainage movement in a plum blossom pipe, the water in the plum blossom pipe is discharged from a water discharge hole of the plum blossom pipe, the rod-shaped heavy hammer downwards hammers a baffle in the sampling pipe, the baffle transmits force to the sampling pipe, the sampling pipe is inserted into the seabed stratum under the hammering action, a rock core impacts upwards, petals open upwards, and the, hammering the device for 1-2 times, then lifting the device, wherein when the device is lifted, petals are closed downwards under the action of the gravity of a core, the core is sealed in a PVC liner tube, the device is lifted to discharge water, a deck is retracted, a knife edge structure is unscrewed, the PVC liner tube is taken out, and a core sample is marked and stored; and then installing the PVC liner pipe, screwing the knife edge structure, and then putting the device into water from the casing pipe, and repeating the steps until the drilling depth reaches the designed depth. The hammering rope coring achieves the minimum disturbance of the rock core, and has important significance for developing the research of marine geological chronostratigraphy and sequence stratigraphy.
In a word, the undisturbed marine geology shallow drilling device that this application provided, simple structure is reasonable, simple structure, low in manufacturing cost, and the sampling rate is high. The core is cored by adopting the hammering rope, the disturbance is extremely low, the truth of a loose sedimentary rock core sample is ensured, and the core sampling device has certain significance for researching the stratum of the sequence and the age of the stratum. Is worthy of large-area popularization and application.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. An undisturbed marine geology shallow drilling device, comprising:
a quincunx pipe;
the sampling tube is detachably connected with one end of the plum blossom tube; one end of the sampling tube, which is far away from the plum blossom tube, is connected with a detachable knife edge structure, and a petal elastic sheet structure is formed on the inner side of the knife edge structure;
one end of the rod-shaped heavy hammer is positioned in the plum blossom pipe and can freely move along the inner side of the plum blossom pipe, and the other end of the rod-shaped heavy hammer is connected with a cable; and a blocking piece is formed on the inner side of one end of the plum blossom tube, which is connected with the sampling tube, and the blocking piece is used for acquiring the hammering force generated when the rod-shaped heavy hammer falls.
2. The undisturbed marine geological shallow drilling device as claimed in claim 1, wherein the inner side of the end of the plum blossom tube far away from the sampling tube is connected with a guiding body, and one end of the rod-shaped heavy hammer passes through the guiding body and extends to the inside of the plum blossom tube.
3. The undisturbed marine geology shallow drilling device of claim 2 wherein said pilot is connected to said quincunx tube by a screw assembly.
4. The undisturbed marine geology shallow drilling apparatus of claim 1 wherein the inside of said sampling tube is provided with a liner.
5. The undisturbed marine geology shallow drilling apparatus of claim 4 wherein said liner is a PVC liner.
6. The undisturbed marine geology shallow drilling device of claim 1, wherein the sampling tube is detachably connected with the plum blossom tube by adopting a threaded connection structure.
7. The undisturbed marine geology shallow drilling device of claim 1, wherein said sampling tube is removably connected to said knife-edge structure by a threaded connection.
8. The undisturbed marine geology shallow drilling apparatus of claim 1 wherein said barrier is formed with a coupon drain hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020414594.1U CN211974924U (en) | 2020-03-27 | 2020-03-27 | Undisturbed marine geology shallow drilling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020414594.1U CN211974924U (en) | 2020-03-27 | 2020-03-27 | Undisturbed marine geology shallow drilling device |
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| CN211974924U true CN211974924U (en) | 2020-11-20 |
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| CN202020414594.1U Active CN211974924U (en) | 2020-03-27 | 2020-03-27 | Undisturbed marine geology shallow drilling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383886A (en) * | 2021-11-18 | 2022-04-22 | 海南省地球物理学会 | Undisturbed deep-scale sampling system for seabed sediment layer |
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2020
- 2020-03-27 CN CN202020414594.1U patent/CN211974924U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383886A (en) * | 2021-11-18 | 2022-04-22 | 海南省地球物理学会 | Undisturbed deep-scale sampling system for seabed sediment layer |
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