CN220486402U

CN220486402U - Rock and soil sampler in geotechnical engineering

Info

Publication number: CN220486402U
Application number: CN202321955689.4U
Authority: CN
Inventors: 柴勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-02-13
Anticipated expiration: 2033-07-25

Abstract

The utility model discloses a rock and soil sampler in geotechnical engineering, which comprises a sampling tube and an auger probe, wherein the sampling tube is cylindrical, the auger probe is rotatably connected with the sampling tube along the axis of the sampling tube, the lower end of the sampling tube is provided with a sampling inlet, the upper end of the sampling tube is provided with a rotation driving part, and the rotation driving part drives the sampling tube and the auger probe to synchronously and reversely rotate. According to the rock and soil sampler in the geotechnical engineering, the sampling tube and the spiral drill probe can be driven reversely through the rotation driving part, so that the drilling and sampling efficiency of rock and soil can be greatly improved, the sawtooth edge is arranged at the lower end of the sampling tube, the rock and soil can be rapidly cut, and the use effect is good.

Description

Rock and soil sampler in geotechnical engineering

Technical Field

The utility model relates to the technical field of rock and soil sampling, in particular to a rock and soil sampler in rock and soil engineering.

Background

Geotechnical engineering aims to solve the problems of rock mass and soil engineering, including foundation and foundation, side slope, underground engineering and the like, and is used as a research object of the geotechnical engineering. Soil sampling refers to a method of collecting a soil sample, including the layout of the sampling and sampling techniques. The soil sample is collected after the end of the section observation and recording. Before sampling, the section should be trimmed and cleaned, the floating soil on the outermost layer should be scraped off, and then the sample is sampled from the central typical part layer by layer from top to bottom according to layers.

Geotechnical engineering is carrying out the in-process of reconnaissance to geotechnical, needs to gather the soil sample and detects the analysis to geotechnical, uses conventional instrument to take a sample at the in-process of sampling, and current collection system is like (application number: CN 202120023423.0) a geotechnical sampler for mineral exploration, including sampler main part, motor and protection pipe, the inside fixedly connected with motor of sampler main part, the output fixedly connected with bull stick of motor, and the bull stick runs through the below of installing at the sampler main part, the bottom fixedly connected with connector a of bull stick, the bull stick is connected with connector b through connector a gomphosis, connector b's bottom fixedly connected with fixed head, the protection pipe is installed in the bottom screw thread gomphosis of fixed head, the sampler main part is through the bolt fastening dead lever. According to the utility model, the connector c is arranged at the top of the protection pipe, and the protection pipe is connected with the bottom of the fixing head through the connector c in a threaded embedded manner. The drilling device has the defects that when the drilling device is used for drilling and sampling the rock and soil, the rock and soil sample can be drilled and taken only through the drill bit which is conveyed by the internal screw, so that the drilling progress is slower, and the sampling effect is poor.

In view of the above, it is necessary to provide a geotechnical sampler in geotechnical engineering to solve the above problems.

Disclosure of Invention

The utility model aims to solve the technical problems and provides a rock-soil sampler in geotechnical engineering.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a rock soil sampler in geotechnical engineering, includes sampling tube, auger probe, the sampling tube is the cylinder tube-shape, the auger probe rotates along the sampling tube axis and connects the setting, the sampling tube lower extreme is the sample import, the sampling tube upper end is equipped with rotation drive portion, rotation drive portion drive sampling tube and spiral drilling head synchronous reverse rotation.

Further, the rotation driving part comprises a driving shell, the upper end of the sampling tube is a closed end, the upper end of the sampling tube is rotationally connected with the driving shell, and the upper end of a rotating shaft of the auger probe penetrates through the sampling tube and is rotationally connected with the sampling tube and the driving shell respectively.

Further, the inside accommodation cavity that is provided with of drive casing, drive portion still includes drive bevel gear, upper driven bevel gear, the lower driven bevel gear that sets up in the accommodation cavity, drive bevel gear is connected with upper driven bevel gear, lower driven bevel gear meshing simultaneously to upper driven bevel gear, lower driven bevel gear are located drive bevel gear both sides respectively.

Further, the outside step that is equipped with of drive casing is followed, the step is followed the downward side and is stretched out and be equipped with the fender portion that encloses, drive bevel gear's pivot passes drive casing and connects and be equipped with driving motor, driving motor fixes and sets up in step along upper portion.

Further, the upper driven bevel gear is fixedly connected to the rotating shaft of the spiral drill probe, and the lower driven bevel gear is fixedly connected to the upper end of the sampling tube.

Further, the sampling tube lower extreme is equipped with the sawtooth edge, sampling tube upper portion lateral wall is equipped with out the appearance mouth, it is located the inboard of enclosing the fender portion to go out the appearance mouth.

Further, the side wall of the enclosing part is provided with an observation window.

Further, the outer wall of the driving shell is fixedly provided with a handle.

Compared with the prior art, the utility model has the beneficial effects that: according to the rock and soil sampler in the geotechnical engineering, the sampling tube and the spiral drill probe can be driven reversely through the rotation driving part, so that the drilling and sampling efficiency of rock and soil can be greatly improved, the sawtooth edge is arranged at the lower end of the sampling tube, the rock and soil can be rapidly cut, and the use effect is good.

Drawings

FIG. 1 is a schematic diagram of a geotechnical sampler in geotechnical engineering according to the present utility model;

in the figure: 1. a sampling tube; 2. an auger probe; 3. a sampling inlet; 4. a rotation driving part; 5. a drive housing; 6. a receiving cavity; 7. driving a bevel gear; 8. an upper driven bevel gear; 9. a lower driven bevel gear; 10. a step edge; 11. a surrounding part; 12. a driving motor; 13. a serrated edge; 14. a sample outlet; 15. an observation window; 16. a handle.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.

Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.

In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.

The rock and soil sampler in geotechnical engineering, as shown in figure 1, comprises a sampling tube 1 and an auger probe 2, wherein the sampling tube 1 is cylindrical, when in use, the sampling tube 1 is used for being inserted into rock and soil at a sampling inlet 3 is conveyed into the sampling tube 1 by the rotation action of the auger probe 2; specifically, the auger probe 2 is rotatably connected along the axis of the sampling tube 1, the lower end of the sampling tube 1 is provided with a sampling inlet 3, and the side wall of the upper part of the sampling tube 1 is provided with a sampling outlet 14. When the sampling device is used, the sampling inlet 3 is inserted into rock and soil to be sampled, the auger probe 2 is started to rotate, and accordingly the rock and soil can be transported into the sampling tube 1 to realize rock and soil sampling.

In practical use, only the auger probe 2 is rotated to sample slowly, and the main reason is that the resistance is large when the sampling tube 1 enters the rock soil, so the sampling can not be performed to the relative depth of the rock soil, in this embodiment, the upper end of the sampling tube 1 is provided with the rotation driving part 4, and the rotation driving part 4 drives the sampling tube 1 and the auger probe 2 to rotate reversely in synchronization. During actual use, be equipped with sawtooth edge 13 at 1 lower extreme of sampling tube, when rotation drive portion 4 control sampling tube 1, auger probe 2 rotate simultaneously, can utilize the lower extreme sawtooth edge 13 of sampling tube 1 to cut the ground, sampling tube 1 rotates the loose ground that can be fine to can be fast in the ground boring sampling, utilize rotation drive portion 4 team to carry out reverse rotation control in this embodiment both, can improve the conveying efficiency of ground in to sampling tube 1.

Specifically, the rotation driving part 4 comprises a driving shell 5, the upper end of the sampling tube 1 is a closed end, the upper end of the sampling tube 1 is rotationally connected with the driving shell 5, and a handle 16 is fixedly arranged on the outer wall of the driving shell 5. When the device is used, a plurality of groups of thrust bearings can be arranged at the joint, so that a large downward pressure can be applied to the sampling tube 1 by the downward pressure of the handle 16 during use; similarly, the upper end of the rotating shaft of the auger probe 2 passes through the sampling tube 1 and is respectively connected with the sampling tube 1 and the driving shell 5 in a rotating way.

Further, the driving housing 5 is internally provided with a holding cavity 6, the driving part further comprises a driving bevel gear 7, an upper driven bevel gear 8 and a lower driven bevel gear 9 which are arranged in the holding cavity 6, the driving bevel gear 7 is simultaneously connected with the upper driven bevel gear 8 and the lower driven bevel gear 9 in a meshed manner, the upper driven bevel gear 8 and the lower driven bevel gear 9 are respectively positioned at two sides of the driving bevel gear 7, the upper driven bevel gear 8 is fixedly connected to a rotating shaft of the auger probe 2, and the lower driven bevel gear 9 is fixedly connected to the upper end of the sampling tube 1. In actual use, the driving bevel gear 7 is controlled to rotate, namely the upper driven bevel gear 8 and the lower driven bevel gear 9 can be simultaneously driven to rotate through meshing, and the sampling tube 1 and the auger probe 2 can be required to relatively reversely rotate.

Furthermore, a step edge 10 is arranged outside the driving housing 5, one side of the step edge 10 can be used for forming an installation edge for the driving motor 12, the other side of the step edge 10 can be used for forming a diameter expansion part, the diameter expansion part is further utilized to extend downwards to form a surrounding blocking part 11, and the surrounding blocking part 11 is used for blocking rock and soil sprayed out of the sample outlet 14. Specifically, the step edge 10 is provided with a surrounding part 11 extending downwards, a rotating shaft of the driving bevel gear 7 penetrates through the driving shell 5 to be connected with a driving motor 12, and the driving motor 12 is fixedly arranged at the upper part of the step edge 10; the sample outlet 14 is located inside the enclosure part 11.

Furthermore, the side wall of the enclosing part 11 is provided with an observation window 15, the observation window 15 is a transparent window, and the rock and soil delivering condition of the inner side sample outlet 14 can be observed from the side surface through the observation window.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a rock soil sampler in geotechnical engineering, its characterized in that, including sample section of thick bamboo (1), auger probe (2), sample section of thick bamboo (1) is the cylinder tube-shape, auger probe (2) rotate along sample section of thick bamboo (1) axis and connect the setting, sample section of thick bamboo (1) lower extreme is sample import (3), sample section of thick bamboo (1) upper end is equipped with rotation drive portion (4), rotation drive portion (4) drive sample section of thick bamboo (1) and auger probe (2) synchronous reverse rotation.

2. A geotechnical sampler in geotechnical engineering according to claim 1, characterized in that the rotary driving part (4) comprises a driving shell (5), the upper end of the sampling tube (1) is a closed end, the upper end of the sampling tube (1) is rotationally connected with the driving shell (5), and the upper end of the rotating shaft of the auger probe (2) penetrates through the sampling tube (1) and is rotationally connected with the sampling tube (1) and the driving shell (5) respectively.

3. The geotechnical sampler in geotechnical engineering according to claim 2, wherein the driving housing (5) is internally provided with a containing cavity (6), the driving part further comprises a driving bevel gear (7), an upper driven bevel gear (8) and a lower driven bevel gear (9) which are arranged in the containing cavity (6), the driving bevel gear (7) is simultaneously connected with the upper driven bevel gear (8) and the lower driven bevel gear (9) in a meshed manner, and the upper driven bevel gear (8) and the lower driven bevel gear (9) are respectively positioned at two sides of the driving bevel gear (7).

4. A geotechnical sampler in geotechnical engineering according to claim 3 and being characterized in that the outside of the driving shell (5) is provided with a step edge (10), the step edge (10) is provided with a surrounding part (11) in a protruding mode towards the lower side, a rotating shaft of the driving bevel gear (7) penetrates through the driving shell (5) to be connected with a driving motor (12), and the driving motor (12) is fixedly arranged on the upper portion of the step edge (10).

5. A geotechnical sampler in geotechnical engineering according to claim 3 characterized in that the upper driven bevel gear (8) is fixedly connected to the rotating shaft of the spiral drill probe (2), and the lower driven bevel gear (9) is fixedly connected to the upper end of the sampling tube (1).

6. The geotechnical sampler in geotechnical engineering according to claim 4, wherein the lower end of the sampling tube (1) is provided with a sawtooth edge (13), the side wall of the upper part of the sampling tube (1) is provided with a sample outlet (14), and the sample outlet (14) is positioned on the inner side of the surrounding and blocking part (11).

7. A geotechnical sampler in geotechnical engineering according to claim 4 or 6, characterized in that the side wall of the enclosure part (11) is provided with a viewing window (15).

8. The geotechnical sampler in geotechnical engineering according to claim 4 is characterized in that a handle (16) is fixedly arranged on the outer wall of the driving shell (5).