CN208765988U - A kind of ground sample sampler for geotechnical engineering investigation - Google Patents
A kind of ground sample sampler for geotechnical engineering investigation Download PDFInfo
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- CN208765988U CN208765988U CN201821368474.1U CN201821368474U CN208765988U CN 208765988 U CN208765988 U CN 208765988U CN 201821368474 U CN201821368474 U CN 201821368474U CN 208765988 U CN208765988 U CN 208765988U
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Abstract
The utility model discloses a kind of ground sample sampler, including a round straight-bar, connect the circular slice for the length that two spacing distances are the ground core to be taken on the bar wall of the circle straight-bar by fixed link respectively, the diameter of the circular slice is consistent with the diameter for the ground core to be taken, and the circular slice is located at the same side of the round straight-bar；Interval is equipped with multiple groups soil sample grasping mechanism on the round straight-bar between the circular slice, the soil sample grasping mechanism includes that semi-circular ring and the connection semi-circular ring are fixedly connected with portion, the semi-circular ring is rotatably installed on the round straight-bar, and the portion that is fixedly connected is connect with switching action portion.The utility model reduces soil sample perturbation, makes taken undisturbed soil sample closer to the objective status under natural conditions, so that the indices in soil test, especially mechanical index are more accurate, to provide reliable geologic parameter foundation for design.
Description
Technical field
The utility model relates to geotechnical engineering investigation technical fields, and in particular to a kind of ground for geotechnical engineering investigation
Sample sampler.
Background technique
In the geotechnical engineering investigation of every profession and trade, cohesive soil is essentially all to be taken by core barrel, and each drilling depth should not surpass
2 meters are crossed, soil sample pours after sample slot again by manually according to standard samples requirement, carrying out soil every 1~1.5 meter of interception 20cm ground sample
Work analysis of experiments.
It is all that the tools such as worker's knife generally take 20cm more on ground core that current ground sample, which is taken, is then taken with hand
It rises, then is put on the sampling sample skin of irony, ground sample redundance is cut away according to the length of the sampling sample skin of irony, makes ground
Sample is exactly 20cm long.
The ground sample sampling method, low efficiency, accuracy is poor, and hand is stained with soil sample.Most importantly, such sampling method
It will increase soil sample perturbation, making taken undisturbed soil sample, there are certain phase margins with the objective status under natural conditions, thus
So that the indices in soil test, especially mechanical index are not accurate enough, influence to provide for design to a certain extent reliable
Geologic parameter foundation.
Utility model content
The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and provide a kind of for geotechnical engineering
The ground sample sampler of prospecting.
It is for technical solution used by realization the purpose of this utility model:
A kind of ground sample sampler for geotechnical engineering investigation, including a round straight-bar, the circle straight-bar
Connect the circular slice for the length that two spacing distances are the ground core to be taken on bar wall by fixed link respectively, the circle is cut
The diameter of piece is consistent with the diameter for the ground core to be taken, and the circular slice is located at the same side of the round straight-bar；The circle
Interval is equipped with multiple groups soil sample grasping mechanism on the round straight-bar between shape slice, and the soil sample grasping mechanism includes semicircle
Ring body and the portion that is fixedly connected for connecting the semi-circular ring, the semi-circular ring are rotatably installed on the round straight-bar
On, the portion that is fixedly connected is connect with switching action portion.
The semi-circular ring is formed with straight-bar interconnecting piece, shape on the straight-bar interconnecting piece with the position being fixedly connected between portion
At there is connecting hole.
Portion and the switching action portion of being fixedly connected is welded to connect.
The switching action portion is the arc panel of semi-circular shape, and two switching action portions can form a circle after closing up
Body.
Magnet for fixed sampling sample skin is installed on the inner wall of the semi-circular ring.
The utility model reduces the perturbation of soil sample, makes taken undisturbed soil sample closer to objective under natural conditions
State, so that the indices in soil test, especially mechanical index are more accurate, to provide reliable geology for design
Parameter foundation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram under the ground sample sampler opening state for geotechnical engineering investigation；
Fig. 2 is the schematic side view under the ground sample sampler opening state for geotechnical engineering investigation；
Fig. 3 is the structural schematic diagram under the ground sample sampler use state for geotechnical engineering investigation；
Fig. 4 is the schematic side view under the ground sample sampler use state for geotechnical engineering investigation；
Fig. 5 is the connection schematic diagram of circular slice and round straight-bar；
Fig. 6 is the structural schematic diagram of soil sample grasping mechanism；
Fig. 7 is the structural schematic diagram in switching action portion.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
Referring to shown in Fig. 1-7, a kind of ground sample sampler for geotechnical engineering investigation, comprising:
One round straight-bar 4, connecting two spacing distances by fixed link 7 respectively on the bar wall of the circle straight-bar is to want
The circular slice 1 of the length of the ground core taken, the diameter of the circular slice is consistent with the diameter for the ground core to be taken, the circle
Shape slice is located at the same side of the round straight-bar；Interval is equipped with multiple groups on the round straight-bar between the circular slice
Soil sample grasping mechanism, the soil sample grasping mechanism include that semi-circular ring 6 and the connection semi-circular ring are fixedly connected with portion 9,
The semi-circular ring is rotatably installed on the round straight-bar, and the portion 9 that is fixedly connected is connect with switching action portion 5.
Wherein, the position between the semi-circular ring 6 and the portion that is fixedly connected 9 is formed with straight-bar interconnecting piece 2, and the straight-bar connects
Connecting hole 8 is formed in socket part, the circle straight-bar 4, which passes through the connecting hole 8 and the formation of multiple groups soil sample grasping mechanism, to be turned
Dynamic formula connection, multiple groups soil sample grasping mechanism be staggered certain distance setting.
It should be noted that torsional spring (not shown) can be set on the round straight-bar 4 in the utility model, turn round
The both ends of spring can the semicircular ring opposite with two respectively inside face contact, so as to make the soil sample using the torsional spring
The semi-circular ring 6 of grasping mechanism keeps open configuration in a free state, it is of course also possible to not fill, it is not necessary in a free state
The state opened is kept, it is specific unlimited.
Wherein, portion and the switching action portion of being fixedly connected is welded to connect, wherein described is fixedly connected with portion and folding behaviour
Make to be formed with one section of curved portion on the face of portion's connection, as shown in fig. 6, to be cooperatively connected with switching action portion face contact.Institute
It states fixed link 7 and round straight-bar is welded to connect.
Wherein, the switching action portion is the arc panel of semi-circular shape, and two switching action portions can be formed after closing up
One round.The length in the switching action portion is less than the length of the round straight-bar, thus in the round straight-bar
Two close end side formed sampling when press operating part, with facilitate sampling be in one's hands column circle straight-bar carry out pushing operation, with sampling.
Further, in the utility model, on the inner wall of the semi-circular ring 6, magnet can also be installed and (do not shown
Out), cementing formula is fixed in the groove 3 at multiple intervals prefabricated on the inner wall of semi-circular ring, is mounted in the groove 3
Afterwards, not higher than the inner wall of semi-circular ring, former curved surfaces are kept, is mainly used for the fixed thin sampling sample skin of absorption type and (does not show
Out), i.e., sampling sample skin is fixed on the inner wall of semi-circular ring, can also be fixed using other way, such as sizing material or welding
Deng, it is specific unlimited, it is described to sample the irony skin that sample skin is rectangular-shaped softness, wherein the sampling sample skin is two, respectively
Two sides are fixed on, length is consistent with the length for the ground core to be taken, and width is consistent or slightly smaller with the diameter of semi-circular ring 6, Gu
It is scheduled on the inner wall of semi-circular ring 6, so that the inside that is spaced between the semi-circular ring of the same side at multiple intervals be closed
It closes, facilitates sampling, the fracture of ground core when preventing from sampling.
Device application method is as follows:
Device for opening puts sampling sample skin in the device of opening into, and magnet is sucked by sample skin is sampled, and will sample sample pico-ampere
Mounted in the inside of the soil sample grasping mechanism.Utility model device, which is placed on ground core, needs sampling point, at this time with double
Hand presses down on round straight-bar, so that two circular slices cut off soil sample, then holds two sections of switching action portions at top, makes
It closes up, and under lever principle effect, lower part soil sample grasping mechanism also closes up, and just catches the soil sample cut, thus may be used
The soil sample cut is proposed soil sample groove.
The utility model has the advantage that
1. improving the operating efficiency of sampling
2. reducing the perturbation of soil sample, makes taken undisturbed soil sample closer to the objective status under natural conditions, make
Indices in soil test, especially mechanical index is more accurate, thus for design provide reliable geologic parameter according to
According to.
3. the both hands for sampling worker are freed from muddy water, construction environment is improved.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (5)
1. a kind of ground sample sampler for geotechnical engineering investigation, which is characterized in that including a round straight-bar, the circle
Connect the circular slice for the length that two spacing distances are the ground core to be taken, institute on the bar wall of shape straight-bar by fixed link respectively
The diameter for stating circular slice is consistent with the diameter for the ground core to be taken, and the circular slice is located at the same of the round straight-bar
Side；Interval is equipped with multiple groups soil sample grasping mechanism, the soil sample gripper on the round straight-bar between the circular slice
Structure includes semi-circular ring and the portion that is fixedly connected for connecting the semi-circular ring, and the semi-circular ring is rotatably installed on described
On round straight-bar, the portion that is fixedly connected is connect with switching action portion.
2. being used for the ground sample sampler of geotechnical engineering investigation as described in claim 1, which is characterized in that the semi-circular ring
It is formed with straight-bar interconnecting piece with the position being fixedly connected between portion, is formed with connecting hole on the straight-bar interconnecting piece.
3. being used for the ground sample sampler of geotechnical engineering investigation as described in claim 1, which is characterized in that described to be fixedly connected
Portion and switching action portion are welded to connect.
4. being used for the ground sample sampler of geotechnical engineering investigation as described in claim 1, which is characterized in that the switching action
Portion is the arc panel of semi-circular shape, and two switching action portions can form a round after closing up.
5. being used for the ground sample sampler of geotechnical engineering investigation as described in claim 1, which is characterized in that the semi-circular ring
Inner wall on magnet for fixed sampling sample skin is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821368474.1U CN208765988U (en) | 2018-08-24 | 2018-08-24 | A kind of ground sample sampler for geotechnical engineering investigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821368474.1U CN208765988U (en) | 2018-08-24 | 2018-08-24 | A kind of ground sample sampler for geotechnical engineering investigation |
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| Publication Number | Publication Date |
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| CN208765988U true CN208765988U (en) | 2019-04-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827698A (en) * | 2018-08-24 | 2018-11-16 | 天津市水利勘测设计院 | A kind of ground sample sampler for geotechnical engineering investigation |
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2018
- 2018-08-24 CN CN201821368474.1U patent/CN208765988U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827698A (en) * | 2018-08-24 | 2018-11-16 | 天津市水利勘测设计院 | A kind of ground sample sampler for geotechnical engineering investigation |
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| GR01 | Patent grant | ||
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Address after: 300204 No. 217 Racecourse Road, Tianjin, Hexi District Patentee after: Tianjin Water Planning Survey and Design Co., Ltd Address before: 300204 No. 217 Racecourse Road, Tianjin, Hexi District Patentee before: TIANJIN WATER RESOURCES SURVEY AND DESIGN INSTITUTE |
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| CP01 | Change in the name or title of a patent holder |