CN213688987U - Sampler of ground reconnaissance usefulness - Google Patents
Sampler of ground reconnaissance usefulness Download PDFInfo
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- CN213688987U CN213688987U CN202022702687.7U CN202022702687U CN213688987U CN 213688987 U CN213688987 U CN 213688987U CN 202022702687 U CN202022702687 U CN 202022702687U CN 213688987 U CN213688987 U CN 213688987U
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- tube
- sampler
- sampling tube
- screw rod
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a sampler for rock-soil exploration, which comprises a pedal plate, wherein a portal frame is arranged above the middle part of the pedal plate, a thread sleeve is arranged at the middle part of the top end of the portal frame, an internal thread is arranged on the inner wall of the thread sleeve, a screw rod is connected in the thread sleeve through the internal thread, a rotating handle is arranged at the top end of the screw rod, the lower end of the screw rod is connected with a cylindrical sampling tube, and a fixed guide sleeve matched with the sampling tube is arranged on the pedal plate below the sampling tube; the sampling tube comprises a tube seat connected with the screw rod, a first semi-circular-arc tube piece is fixedly connected to one side of the lower end of the tube seat, a second semi-circular-arc tube piece is movably connected to the other side of the lower end of the tube seat, and the first semi-circular-arc tube piece and the second semi-circular-arc tube piece form a cylindrical sampling tube when being folded. The utility model has the characteristics of the sample is easy, and can not destroy the soil layer structure of soil sample during the sample.
Description
Technical Field
The utility model relates to a sampler, especially a sampler of ground reconnaissance usefulness.
Background
In the geotechnical investigation process, the geotechnical soil quality of the ground of an engineering section is generally required to be investigated, sampled and analyzed, and the sampling of the geotechnical soil is generally completed by a sampler.
At present, the geotechnical investigation sampler has various structures and different advantages, but the most core is the most basic function, namely, the geotechnical investigation sampler is to take out the geotechnical investigation section from the soil body.
The cylindrical sampler is a common one, and comprises a pressure lever and a cylindrical sampling tube connected to the front end of the pressure lever, wherein during sampling, the top end of the pressure lever is held by an exploratory worker, the sampling tube is forcibly inserted into a soil body and then is pulled out, and rock soil in the sampling tube is taken out and then is collected as a sample. The biggest problem that this kind of sampler exists is exactly, the difficult ground that takes out in the sample tube to can destroy the soil layer structure of the ground in the sample tube before taking out after taking out, not be suitable for the reconnaissance that needs analysis soil layer structure. Therefore, it is necessary to design a sampler which is easy to sample and does not damage the soil structure during sampling.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sampler of ground reconnaissance usefulness. The utility model has the characteristics of the sample is easy, and can not destroy the soil layer structure of soil sample during the sample.
The technical scheme of the utility model: a sampler for geotechnical investigation comprises a pedal plate, wherein a portal frame is arranged above the middle part of the pedal plate, a threaded sleeve is arranged at the middle part of the top end of the portal frame, internal threads are arranged on the inner wall of the threaded sleeve, a screw rod is connected in the threaded sleeve through the internal threads, a rotating handle is arranged at the top end of the screw rod, the lower end of the screw rod is connected with a cylindrical sampling tube, and a fixed guide sleeve matched with the sampling tube is arranged on the pedal plate below the sampling tube; the sampling tube comprises a tube seat connected with the screw rod, a first semi-circular-arc tube piece is fixedly connected to one side of the lower end of the tube seat, a second semi-circular-arc tube piece is movably connected to the other side of the lower end of the tube seat, and the first semi-circular-arc tube piece and the second semi-circular-arc tube piece form a cylindrical sampling tube when being folded.
In the sampler for geotechnical investigation, the second semi-circular segment is movably connected to the tube seat through the trip shaft.
In the sampler for geotechnical investigation, the two ends of the lower side of the pedal plate are provided with the ground nails.
According to the sampler for geotechnical investigation, the upper end port of the fixed guide sleeve is in an open horn shape.
In the sampler for geotechnical investigation, the inner diameter of the fixed guide sleeve is consistent with the outer diameter of the sampling tube.
According to the sampler for geotechnical investigation, the inner wall of the fixed guide sleeve is provided with the plurality of balls, and the inner diameter of the circle where the outermost ends of the balls are located is consistent with the outer diameter of the sampling tube.
In the sampler for geotechnical investigation, the top end of the tube seat is provided with the square mortise, the round cavity is arranged below the square mortise, and two top points of the round cavity, which are perpendicular to the length direction of the square mortise, are respectively provided with 1 limiting block; the lower end of the screw rod is provided with a T-shaped tenon matched with the square mortise.
The utility model has the advantages that:
the utility model discloses a set the sampling tube to the structure of 2 concatenations, after accomplishing the sample, take off swing joint's a slice, can relax take out soil sample from the sampling tube to, can not destroy the soil layer structure of soil sample when taking out, be convenient for do more comprehensive analysis to the ground in reconnaissance area.
In addition, the utility model solves the problem of low strength of the spliced sampling tube by arranging the fixed guide sleeve matched with the sampling tube, and the sampling tube is not easy to be dislocated and deflected during sampling; the movably connected second semicircular arc pipe piece is connected through the overturning shaft, so that the operation is more convenient when the soil sample is taken out; the ground nail is arranged on the lower side of the pedal plate, so that when the soil is hard, the sampler can be more firmly fixed on the ground, and the sampling is convenient; the upper end port of the fixed guide sleeve is arranged into an open horn shape, so that the sampling tube can be conveniently and accurately inserted into the fixed guide sleeve; the friction force between the sampling tube and the inner wall of the fixed guide sleeve is reduced by arranging the plurality of balls on the inner wall of the fixed guide sleeve, so that the operation is convenient; set up square tongue-and-groove through the top at the tube socket, the below of square tongue-and-groove sets up circular cavity to respectively be equipped with 1 stopper in two summits department of circular cavity, and set up with square tongue-and-groove complex T shape tenon at the lower extreme of screw rod, when taking out soil sample, can carry out taking out of soil sample again after the light taking off of sampling tube, it is more convenient to take a sample.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial schematic view of the pedal of the present invention;
FIG. 3 is a schematic view of the sampling tube;
FIG. 4 is a partial schematic view of the tip of the coupon;
FIG. 5 is a partial schematic view of the bottom end of the screw.
Description of reference numerals: 1-pedal, 2-portal frame, 3-thread bushing, 4-screw, 5-rotating handle, 6-fixed guide bushing, 7-tube seat, 8-first semicircular tube piece, 9-second semicircular tube piece, 10-turnover shaft, 11-ground nail, 12-ball, 13-square tongue groove, 14-circular cavity, 15-limiting block and 16-T-shaped tenon.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
The embodiment of the utility model provides a:
a sampler for geotechnical investigation is shown in attached figures 1-5 and comprises a pedal plate 1, a portal frame 2 is arranged above the middle part of the pedal plate 1, a thread bush 3 is arranged in the middle of the top end of the portal frame 2, internal threads are arranged on the inner wall of the thread bush 3, a screw rod 4 is connected in the thread bush 3 through the internal threads, a rotating handle 5 is arranged at the top end of the screw rod 4, the lower end of the screw rod 4 is connected with a cylindrical sampling tube, and a fixed guide sleeve 6 matched with the sampling tube is arranged on the pedal plate 1 below the sampling tube; the sampling tube comprises a tube seat 7 connected with the screw rod 4, a first semicircular arc tube piece 8 is fixedly connected to one side of the lower end of the tube seat 7, a second semicircular arc tube piece 9 is movably connected to the other side of the lower end of the tube seat, and the first semicircular arc tube piece 8 and the second semicircular arc tube piece 9 form a cylindrical sampling tube when being folded.
During the sample, place the sampler in the sample position, pass through the screw with first semicircle section of jurisdiction 8 and second semicircle section of jurisdiction 9, steel wire or other conventional modes are fixed to be foldd, form the sampling tube, running-board 1 and ground contact, hold rotatory handle 5, rotate screw rod 4, the sampling tube passes and inserts in the ground after fixed uide bushing 6, the depth of insertion reaches behind the sample degree of depth, reverse rotation screw rod 4, take out the sampling tube, then unpack aforementioned fixing device apart, take off second semicircle section of jurisdiction 9, it can to take out the soil sample from first semicircle section of jurisdiction 8.
Second semicircle arc section of jurisdiction 9 is through trip shaft 10 swing joint on tube socket 7, when taking out the soil sample, only need with second semicircle arc section of jurisdiction 9 around trip shaft 10 open certain angle can, it is more convenient.
The both ends of running-board 1 downside are equipped with ground nail 11, and during the sample, ground nail inserts soil, avoids portal frame 2 rotatory along with screw rod 4.
The upper end port of the fixed guide sleeve 6 is in an open horn shape, the horn opening faces upwards, and a sampling tube is convenient to insert into the fixed guide sleeve 6 from the upper side.
The internal diameter of fixed uide bushing 6 is unanimous with the external diameter of sampling tube, utilizes the tight hoop effect of fixed uide bushing 6 fixed with the sampling tube of concatenation this moment, makes its more firm cylindric that keeps, dislocation when avoiding taking a sample.
The inner wall of the fixed guide sleeve 6 is provided with a plurality of balls 12, the inner diameter of a circle where the outermost end of each ball 12 is located is consistent with the outer diameter of the sampling tube, and the balls 12 can reduce the friction force between the fixed guide sleeve 6 and the outer wall of the sampling tube.
The top end of the tube seat 7 is provided with a square mortise 13, a round cavity 14 is arranged below the square mortise 13, and two top points of the round cavity 14, which are vertical to the length direction of the square mortise 13, are respectively provided with 1 limiting block 15; the lower end of the screw rod 4 is provided with a T-shaped tenon 16 matched with the square mortise 13; during the sample, insert square tongue-and-groove 13 with T shape tenon 16 in, rotatory screw rod 4, T shape tenon 16 produces the deflection in circular cavity 14, until the one side contact with stopper 15, then continue rotatory screw rod 4, then can be smooth insert the sampling tube in soil, when needing to extract the sampling tube, reverse rotation screw rod 4, to the opposite side contact of T shape tenon 16 with stopper 15, then continue to rotate and can extract the sampling tube, extract the back, reverse rotation screw rod 4 to T shape tenon 16 and square tongue-and-groove 13 coincidence, the sampling tube can be taken off from screw rod 4 with the sampling tube to the removal sampling tube down. To facilitate removal of the sampling tube from the gantry 2, the height within the gantry 2 may be greater than the length of the sampling tube.
The above description is only for the purpose of illustrating the present invention and the appended claims, and the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. The utility model provides a sampler of geotechnical investigation usefulness which characterized in that: the sampling device comprises a pedal (1), wherein a portal frame (2) is arranged above the middle part of the pedal (1), a thread sleeve (3) is arranged in the middle of the top end of the portal frame (2), internal threads are arranged on the inner wall of the thread sleeve (3), a screw rod (4) is connected in the thread sleeve (3) through the internal threads, a rotating handle (5) is arranged at the top end of the screw rod (4), the lower end of the screw rod (4) is connected with a cylindrical sampling tube, and a fixed guide sleeve (6) matched with the sampling tube is arranged on the pedal (1) below the sampling tube; the sampling tube comprises a tube seat (7) connected with the screw rod (4), a first semi-circular-arc tube piece (8) is fixedly connected to one side of the lower end of the tube seat (7), a second semi-circular-arc tube piece (9) is movably connected to the other side of the lower end of the tube seat (7), and the first semi-circular-arc tube piece (8) and the second semi-circular-arc tube piece (9) form a cylindrical sampling tube when being folded.
2. A sampler for geotechnical investigation according to claim 1, wherein: the second semi-circular segment (9) is movably connected to the tube seat (7) through a turning shaft (10).
3. A sampler for geotechnical investigation according to claim 1, wherein: ground nails (11) are arranged at two ends of the lower side of the pedal (1).
4. A sampler for geotechnical investigation according to claim 1, wherein: the upper end port of the fixed guide sleeve (6) is in an open horn shape.
5. A sampler for geotechnical investigation according to claim 1, wherein: the inner diameter of the fixed guide sleeve (6) is consistent with the outer diameter of the sampling tube.
6. A sampler for geotechnical investigation according to claim 5, wherein: the inner wall of the fixed guide sleeve (6) is provided with a plurality of balls (12), and the inner diameter of a circle where the outermost end of each ball (12) is located is consistent with the outer diameter of the sampling tube.
7. A sampler for geotechnical investigation according to claim 1, wherein: a square mortise (13) is arranged at the top end of the tube seat (7), a round cavity (14) is arranged below the square mortise (13), and 1 limiting block (15) is respectively arranged at two top points of the round cavity (14) which are vertical to the length direction of the square mortise (13); the lower end of the screw rod (4) is provided with a T-shaped tenon (16) matched with the square mortise (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022702687.7U CN213688987U (en) | 2020-11-20 | 2020-11-20 | Sampler of ground reconnaissance usefulness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022702687.7U CN213688987U (en) | 2020-11-20 | 2020-11-20 | Sampler of ground reconnaissance usefulness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213688987U true CN213688987U (en) | 2021-07-13 |
Family
ID=76734161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022702687.7U Active CN213688987U (en) | 2020-11-20 | 2020-11-20 | Sampler of ground reconnaissance usefulness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213688987U (en) |
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2020
- 2020-11-20 CN CN202022702687.7U patent/CN213688987U/en active Active
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