CN211179266U - Carrying platform for ocean soil strength test injection device - Google Patents

Carrying platform for ocean soil strength test injection device Download PDF

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Publication number
CN211179266U
CN211179266U CN201922312374.8U CN201922312374U CN211179266U CN 211179266 U CN211179266 U CN 211179266U CN 201922312374 U CN201922312374 U CN 201922312374U CN 211179266 U CN211179266 U CN 211179266U
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penetration
bottom plate
level bubble
base plate
test
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CN201922312374.8U
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年廷凯
谷忠德
郭兴森
赵维
刘春鹏
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Dalian University of Technology
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Dalian University of Technology
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Abstract

The utility model discloses a carry-on platform for ocean soil strength test injection device belongs to seabed soil body strength test technical field. The device comprises a penetration bottom plate, a penetration device mounting hole, a penetration bottom plate mounting hole, a horizontal leveling level bubble, a vertical leveling level bubble, a camera shooting acquisition device and a sliding guide rail. Firstly, determining the shape, size and material of a penetration bottom plate according to an actual engineering background; secondly, selecting whether to install a sliding guide rail or not, and then installing a plurality of penetration instruments on the penetration instrument installation holes; then the leveling bubble is fixed on a penetration system through a penetration bottom plate mounting hole, and in the mounting process, the leveling bubble needs to be kept horizontally and centered; and finally, installing the camera shooting acquisition device at a specified position to carry out a strength penetration test. The utility model discloses both solved the problem that single pole test strength reliability is low among the normal position test process, avoided the contradiction that the model box interior soil body utilization ratio is low among the indoor test, also enlarged the measuring range of soil body intensity.

Description

Carrying platform for ocean soil strength test injection device
Technical Field
The utility model belongs to the technical field of the submarine soil body strength test, especially, relate to a carry-on platform for ocean soil strength test injection device.
Background
With the gradual implementation of the national ocean strategy, ocean engineering construction such as ocean platform construction, submarine pipeline laying, submarine natural gas hydrate exploitation and the like is in progress vigorously. The strength test of the seabed soil body is a prerequisite foundation for developing the engineering activities, and provides references for platform construction, foundation design, seabed resource development, seabed slope stability evaluation and the like. In view of this, it is crucial to develop a submarine soil strength test, but the following problems still remain to be solved:
1. the marine geological environment is complex, the soil body on the surface of the seabed is mainly soft clay, and the strength of the soft clay is low; but the seabed also has a sand layer, and the strength of the seabed is higher; meanwhile, the sand-soil clay interbedding phenomenon exists, and the strength of the sand-soil clay interbedded phenomenon cannot obtain a better test result through the existing instrument, so that the sand-soil clay interbedded phenomenon is a difficult problem which troubles scholars at home and abroad. Therefore, the development of the strength testing device for the ocean soil body covered in the whole range is urgent.
2. The strength test of marine soil body is mainly divided into two types, namely in-situ test and indoor geotechnical test. The in situ test will deliver the test device to the seabed surface via a delivery platform and then develop a correlation strength test. The indoor test is mainly divided into a 1g geotechnical test and an ng centrifugal test. In the in-situ test process, the strength characteristic of the soil body cannot be well evaluated by a single-rod penetration test because the marine soil body has strong structural property and heterogeneity; in the indoor 1g test and ng centrifugal test processes, the consolidation period of the model box is longer, the centrifugal test is time-consuming and labor-consuming, the utilization rate of the soil body in the model box is improved, the working efficiency can be greatly improved, and the scientific research progress can be promoted.
3. The research of scholars at home and abroad finds that the spherical penetrometer and the T-shaped penetrometer have accurate testing results on the strength of soft soil, and the conical penetrometer has more accurate testing results on the strength of sandy soil or soft and hard interlayer soil. The full-flow penetration device and the static sounding device are combined to test the soil strength, and strength correction work is carried out according to a test result, so that the related research progresses slowly.
SUMMERY OF THE UTILITY MODEL
In order to solve the not enough of current normal position strength test and indoor strength test, the utility model provides a satisfy carrying platform that is used for native strength test injection device of ocean under normal position condition and the indoor condition, guarantee the multi-rod linkage and inject into. The multi-rod linkage means that a plurality of injection devices are fixed on the injection bottom plate and are injected into the soil body together, so that the problem of low reliability of single-rod testing strength in the in-situ testing process is solved, the problem of low utilization rate of the soil body in the model box in the indoor testing is also solved, and meanwhile, the coverage of different soil body strength ranges can be realized.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a carry on platform for native intensity test injection device of ocean, carry on platform including injection bottom plate 1, injection ware mounting hole 2, injection bottom plate mounting hole 3, horizontal leveling air level 4, vertical leveling air level 5 and the collection system 6 that makes a video recording.
The penetration bottom plate 1 is of a plate-shaped structure, and the specific shape, size and material are designed according to the actual engineering requirements; in the in-situ test, the size of a carrying platform needs to be considered, the carrying platform can be installed in the carrying platform, and meanwhile, the high-pressure non-deformability and corrosion resistance of a bottom plate material penetrated under a deep sea environment need to be considered; the size of the model box needs to be considered in the indoor test, so that the penetration bottom plate 1 is not in contact friction with the edge of the model box, and the model box can be smoothly put in and taken out.
The penetrating device mounting hole 2 is a circular hole distributed on the penetrating bottom plate 1 and is used for mounting the penetrating device, the distribution position of the penetrating device mounting hole 2 is designed according to the actual engineering requirement, and the requirements are met: the central distance between the two penetrating device mounting holes 2 is not less than two times of the sum of the diameters of penetrating device probes mounted on the two penetrating device mounting holes 2, and simultaneously, the penetrating device mounting holes can be distributed on the penetrating bottom plate 1 as much as possible; the penetration device mounting hole 2 can be provided with a spherical penetration device, a T-shaped penetration device, a conical penetration device, a spindle-shaped penetration device or a cross plate-shaped penetration device, and when the cross plate-shaped penetration device is mounted, the penetration bottom plate 1 and the cross plate-shaped penetration device are fixedly mounted.
The penetration bottom plate mounting holes 3 are circular holes distributed at the edge of the penetration bottom plate 1 and are used for mounting the penetration bottom plate 1 on a penetration system; the position of the specific penetration base plate mounting hole 3 is determined according to the penetration base plate 1.
The horizontal leveling level bubble 4 and the vertical leveling level bubble 5 are arranged on the penetration bottom plate 1, the axis of the horizontal leveling level bubble 4 is vertical to the axis of the vertical leveling level bubble 5, the axes of the horizontal leveling level bubble 4 and the vertical leveling level bubble 5 are respectively parallel to the penetration bottom plate 1, and the horizontal leveling level bubble 4 and the vertical leveling level bubble 5 can be replaced regularly.
The camera shooting acquisition device 6 is arranged on the injection bottom plate 1 and is used for monitoring whether the level bubble of the horizontal leveling level bubble 4 and the level bubble of the vertical leveling level bubble 5 are centered in the injection process in real time so as to judge the validity and rationality of injection data and facilitate the interpretation of the result of the strength test data; meanwhile, the method is used for testing and surveying in the in-situ testing process to clearly determine the topography penetration condition; in the indoor test process, the method is used for recording the penetration process and the penetration starting and ending time, and facilitates later-stage data processing.
Further, the shape of the penetration base plate 1 is preferably a circle, a triangle, a rectangle, a square, a rhombus or a regular pentagon.
Furthermore, the material of the penetration bottom plate 1 is preferably aluminum alloy or organic glass.
Further, the penetrating device mounting holes 2 are symmetrically arranged on the axis penetrating into the bottom plate 1.
Further, when the penetration base plate 1 is triangular, rectangular, square or rhombic, a penetration base plate mounting hole 3 is provided at each vertex of the penetration base plate 1.
Further, when the penetration base plate 1 is a regular pentagon, two corner points on any one side of the penetration base plate 1 are provided with penetration base plate mounting holes 3 at corner points on a perpendicular bisector of the side, and preferably, the centroid of the penetration base plate 1 is provided with the penetration base plate mounting holes 3.
Further, when the penetration base plate 1 is circular, four penetration base plate installation holes 3 are provided at equal intervals at the edge of the penetration base plate 1.
Further, when the penetration bottom plate 1 is circular, the horizontal leveling bubble 4 is positioned at the center line of the lower semicircle, and the vertical leveling bubble 5 is positioned at the center line of the upper semicircle.
Furthermore, when the penetration bottom plate 1 is triangular or regular pentagonal, the vertical leveling level bubble 5 is positioned at the centroid.
Further, the carrying platform for the ocean soil strength test penetration device further comprises a sliding guide rail 7, and whether the sliding guide rail 7 is installed or not is selected according to actual engineering requirements; the sliding guide rail 7 is arranged on the penetration bottom plate 1, when the sliding guide rail 7 is arranged, a sliding part is arranged on the sliding guide rail 7, and the penetration device mounting hole 2 is arranged on the sliding part. Giving the position of command control sliding block through remote control ware, be applicable to normal position test and laboratory test. The sliding guide rail 7 is installed in an in-situ test, so that the test cost can be saved, and the test efficiency can be improved; the sliding guide rail 7 can be installed in the indoor test, so that the indoor test period (the soil sample is solidified to the development test) can be shortened, and the utilization rate of the soil body in the penetration box can be improved.
Further, when only one type of the penetration device is installed on the penetration base plate 1, the sliding guide 7 is installed on the penetration base plate 1 to realize any penetration test of the penetration device within the range of the penetration base plate 1.
Furthermore, when various penetrexers are arranged on the penetration bottom plate 1, the sliding guide rail 7 is arranged on the penetration bottom plate 1, so that multiple penetration tests of the penetrexers along a certain direction of the plate edge can be realized.
A using method of a carrying platform for an ocean soil strength test penetration device comprises an installation method capable of carrying out in-situ strength test, an installation method for indoor 1g strength test and an installation method for indoor ng centrifugal strength test;
the in-situ strength test installation method comprises the following steps:
step 1, selecting the shape, size and material of a penetration bottom plate 1 according to actual engineering requirements and the size of a carrying platform, and ensuring the corrosion resistance and high-pressure non-deformability of the penetration bottom plate 1;
step 2, selecting whether a sliding guide rail 7 is installed on the penetration bottom plate 1 or not according to actual engineering requirements;
step 3, mounting a plurality of kinds (including 1 kind) of penetrters on the penetrometer mounting holes 2;
step 4, fixing the penetration bottom plate 1 on the penetration system through the penetration bottom plate mounting hole 3;
step 5, installing a camera shooting acquisition device 6; in the installation process, whether the level bubble of the horizontal leveling level bubble 4 and the level bubble of the vertical leveling level bubble 5 are in a centered state or not is monitored in real time through the camera shooting acquisition device 6.
After the above steps are completed, the strength penetration test can be performed.
Secondly, an indoor 1g strength test installation method comprises the following steps:
step 1, selecting the shape, size and material of a penetration bottom plate 1 according to actual engineering requirements, a model test box and the size of a penetration motor;
step 2, selecting whether to add a sliding guide rail 7 on the penetration bottom plate 1 according to actual engineering requirements;
step 3, mounting a plurality of (including 1) penetration instruments on the penetration device mounting holes 2 of the penetration bottom plate 1;
step 4, fixing the penetration bottom plate 1 on the penetration system through the penetration bottom plate mounting hole 3;
step 5, installing a camera shooting acquisition device 6; in the installation process, the camera shooting acquisition device 6 is used for monitoring the horizontal leveling level bubble 4 in real time, and whether the level bubble of the vertical leveling level bubble 5 is in a centered state or not.
After the above steps are completed, the strength penetration test can be performed.
Thirdly, the indoor ng centrifugal strength test installation method comprises the following steps:
step 1, selecting the shape, size and material of a penetration bottom plate 1 according to actual engineering requirements, the working space of a centrifugal machine and the size of a model box;
step 2, selecting whether to add a sliding guide rail 7 on the penetration bottom plate 1 according to actual engineering requirements;
step 3, mounting the multi-rod penetration instrument on the penetration device mounting hole 2 of the penetration bottom plate 1;
step 4, fixing the penetration bottom plate 1 on the penetration system through the penetration bottom plate mounting hole 3;
step 5, installing a camera shooting acquisition device 6; in the installation process, the camera shooting acquisition device 6 is used for monitoring the horizontal leveling level bubble 4 in real time, and whether the level bubble of the vertical leveling level bubble 5 is in a centered state or not is judged;
after the above steps are completed, the strength penetration test can be performed.
The utility model discloses an effect and benefit are: the device simple structure, simple to operate, the bottom plate configuration can independently change and design according to different experimental conditions, is assisted simultaneously with the air level leveling and guarantees the verticality of penetration device to and through the collection system that makes a video recording, observe the normal position and test the topography condition, record indoor test beginning and ending time facilitates for later stage data processing, and the engineering practice and scientific research of being convenient for are used.
Drawings
FIG. 1 is a schematic overall view of the apparatus;
FIG. 2 is a top view of the apparatus;
FIG. 3 is a schematic view of the entire multi-rod penetration device for installing the slide rail;
fig. 4 is an overall schematic view of the single-rod penetration device for installing the slide rail.
In the figure: 1. penetrating into the bottom plate; 2. a penetration device mounting hole; 3. penetrating into the mounting hole of the bottom plate; 4. leveling the level bubble horizontally; 5. leveling the level bubble vertically; 6. a camera shooting and collecting device; 7. a sliding guide rail.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the present invention is further described below with reference to the accompanying drawings in combination with the embodiments so that those skilled in the art can implement the present invention by referring to the description text, and the protection scope of the present invention is not limited to the embodiments. It is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
The carrying platform for the ocean soil strength test penetration device comprises a penetration bottom plate 1, a penetration device mounting hole 2, a penetration bottom plate mounting hole 3, a horizontal leveling level bubble 4, a vertical leveling level bubble 5 and a camera shooting acquisition device 6. The using method comprises the following steps:
step 1, the penetration bottom plate 1 is designed to be a rectangular plate, the size of the penetration bottom plate is 270mm × 240mm × 6mm, and the penetration bottom plate is made of aluminum alloy.
Step 2, the sliding guide rail 7 is not installed in the embodiment;
and 3, secondly, mounting the spherical injection device, the conical injection device and the T-shaped injection device on the injection device mounting hole 2 of the injection bottom plate 1.
Step 4, fixing the injection bottom plate 1 with the 3-rod injection device on the injection system through the injection bottom plate mounting hole 3;
step 5, installing a camera shooting acquisition device 6; meanwhile, in the installation process, the level bubble of the horizontal leveling level bubble 4 and the level bubble of the vertical leveling level bubble 5 are both in a centered state.
After the steps are completed, the centrifuge is ready to rotate in an accelerated mode, and when the centrifuge rotates to the preset n value, the motor is controlled to enable the penetration bottom plate carrying the 3-rod linkage penetration device to be parallel to the soil surface of the model box, so that the penetration and extraction circulation process is completed. After the test is finished, disassembling each component, reading and storing test data, carrying out data arrangement work, giving test strength results of different devices, analyzing, comparing and comprehensively evaluating, and finally giving a soil body strength value to guide engineering construction and ocean slope stability evaluation.
Example 2
As shown in fig. 3 and 4, the carrying platform for the ocean soil strength testing penetration device comprises a penetration bottom plate 1, a penetration device mounting hole 2, a penetration bottom plate mounting hole 3, a horizontal leveling level bubble 4, a vertical leveling level bubble 5, a camera shooting acquisition device 6 and a sliding guide rail 7. The using method comprises the following steps:
step 1, the penetration bottom plate 1 is designed to be a rectangular plate, the size of the penetration bottom plate is 270mm × 240mm × 6mm, and the penetration bottom plate is made of aluminum alloy.
Step 2, installing a sliding guide rail 7 in the embodiment;
and 3, secondly, mounting the spherical penetrometer, the conical penetrometer and the T-shaped penetrometer on the penetrometer mounting holes 2 distributed on the sliding guide rail 7, wherein the penetrometer mounting holes 2 can be controlled to move on the sliding guide rail 7 through remote commands.
Step 4, fixing the penetration bottom plate 1 with the 3-rod (figure 3) or single-rod (figure 4) penetration device on the penetration system through the penetration bottom plate mounting hole 3;
step 5, installing a camera shooting acquisition device 6; meanwhile, in the installation process, the level bubble of the horizontal leveling level bubble 4 and the level bubble of the vertical leveling level bubble 5 are both in a centered state.
After the steps are completed, the motor is controlled to enable the injection bottom plate carrying the 3-rod linkage injection device or the single-rod injection device to be parallel to the soil surface of the model box, and then the injection and extraction circulation process is completed. And in the test process, the position of the movable penetrometer is controlled through a remote command, and the soil body strength at different positions in the model box is tested. After the test is finished, disassembling each component, reading and storing test data, carrying out data arrangement work, giving test strength results of different devices, analyzing, comparing and comprehensively evaluating, and finally giving a soil body strength value to guide engineering construction and ocean slope stability evaluation.
The above-mentioned embodiments only represent the embodiments of the present invention, but can not be understood as the limitation of the scope of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these belong to the protection scope of the present invention.

Claims (7)

1. A carrying platform for an ocean soil strength test penetration device is characterized by comprising a penetration bottom plate (1), a penetration device mounting hole (2), a penetration bottom plate mounting hole (3), a horizontal leveling level bubble (4), a vertical leveling level bubble (5) and a camera shooting acquisition device (6);
the penetration bottom plate (1) is of a plate-shaped structure, and the specific shape, size and material are designed according to the actual engineering requirements;
the penetrating device mounting hole (2) is a circular hole distributed on the penetrating bottom plate (1) and is used for mounting the penetrating device, the distribution position of the penetrating device mounting hole (2) is designed according to actual engineering requirements, and the requirements are met: the central distance between the two penetrating device mounting holes (2) is not less than twice of the sum of the diameters of penetrating device probes mounted on the two penetrating device mounting holes (2);
the penetration bottom plate mounting holes (3) are circular holes distributed at the edge of the penetration bottom plate (1) and are used for mounting the penetration bottom plate (1) on a penetration system; determining the position of the mounting hole (3) of the penetration bottom plate according to the penetration bottom plate (1);
the horizontal leveling level bubble (4) and the vertical leveling level bubble (5) are arranged on the penetration bottom plate (1), the axis of the horizontal leveling level bubble (4) is vertical to the axis of the vertical leveling level bubble (5), and the axes of the horizontal leveling level bubble (4) and the vertical leveling level bubble (5) are respectively parallel to the penetration bottom plate (1);
the shooting acquisition device (6) is installed on the penetration bottom plate (1) and used for monitoring whether the level bubble of the horizontal leveling level bubble (4) and the vertical leveling level bubble (5) is centered or not in the penetration process in real time.
2. The carrying platform for the ocean soil strength test penetration device according to claim 1, wherein the penetration base plate (1) is made of aluminum alloy or organic glass, and the penetration base plate (1) is in a shape of a circle, a triangle, a rectangle, a diamond or a regular pentagon.
3. The carrying platform for the penetration device for the ocean soil strength test according to claim 2, wherein when the penetration base plate (1) is triangular, rectangular or rhombic, a penetration base plate mounting hole (3) is provided at each vertex of the penetration base plate (1).
4. The carrying platform for the ocean soil strength test penetration device according to claim 2, wherein when the penetration base plate (1) is a regular pentagon, two corner points on any one side of the penetration base plate (1) and the corner points on the perpendicular bisector of the side are provided with the penetration base plate mounting holes (3), and the center of the form of the penetration base plate (1) is provided with the penetration base plate mounting holes (3).
5. The carrying platform for the ocean soil strength test penetration device according to claim 2, wherein when the penetration base plate (1) is circular, four penetration base plate mounting holes (3) are arranged at the edge of the penetration base plate (1) at equal intervals; the horizontal leveling level bubble (4) is positioned at the center line of the lower semicircle, and the vertical leveling level bubble (5) is positioned at the center line of the upper semicircle.
6. The carrying platform for the penetration device for the ocean soil strength test according to claim 2, wherein the vertical leveling level bubble (5) is located at the centroid when the penetration base plate (1) is triangular or pentagonal.
7. The carrying platform for the marine soil strength test penetration device according to claim 1, further comprising a sliding guide rail (7), wherein whether the sliding guide rail (7) is installed or not is selected according to actual engineering requirements; the sliding guide rail (7) is installed on the penetration bottom plate (1), when the sliding guide rail (7) is installed, a sliding piece is arranged on the sliding guide rail (7), and the penetration device installation hole (2) is formed in the sliding piece.
CN201922312374.8U 2019-12-20 2019-12-20 Carrying platform for ocean soil strength test injection device Active CN211179266U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110793845A (en) * 2019-12-20 2020-02-14 大连理工大学 Carrying platform for ocean soil strength test injection device and using method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110793845A (en) * 2019-12-20 2020-02-14 大连理工大学 Carrying platform for ocean soil strength test injection device and using method

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